How do you remove an alternator from a car?

Unplug the electrical connectors to the alternator and remove the alternator bracket with a socket wrench. Remove the mounting bolts on the alternator with a socket wrench and take off the alternator drive belt so you can remove the alternator. Install the new alternator assembly and replace the alternator drive belt.

When to replace the alternator in a Mercury Villager?

A voltage regulator maintains a constant voltage level and is frequently integrated into the alternator assembly. If your battery continually runs down or your headlights become dimmer while the engine is running, you may need to replace the alternator. Determine which alternator your Mercury Villager will need.

Do you need to remove serpentine belt to change alternator?

As you loosen the bolts, the alternator will slide in the bracket under the tension of the belt. You may not need to remove the serpentine or accessory belt if it’s not damaged.

Where is the insert jack on an alternator?

Insert jack stands beneath the vehicle for safety once it’s jacked up. Remove the main power cable from the alternator. The main power cable will be the thick cable attached to the alternator that runs from the battery.

Once the belt is off just remove whatever bolts connect the alternator to the bracket and you’re good to go. Our model required the removal of three bolts: one at the front and two at the rear. With the old alternator in your hand you’re half way home.

How to replace an alternator on a 1995 GMC?

Somewhere on your vehicle there is a tensioner pulley. You’ll need to move it enough to slip the belt off the pulley. Our ’95 GMC has a standard spring-loaded GM tensioner that required us to pull it back with a wrench.

Can a manual tensioner be used to replace an alternator?

The belt tensioner will only travel (swing) so far which can make installing the belt difficult. Never pry or force the belt onto the pulley. Vehicles with a manual tensioner or the belt tightens with the alternator, there should about ½ inch of deflection in the belt between the pulleys with the greatest distance between them. 7

Remove the electrical leads from the alternator using a wrench to remove the nuts. Remove the bolts from the alternator with a socket and ratchet and pull it off of the engine. Put the new alternator on the engine and tighten the mounting bolts with the socket and ratchet. Connect the electrical leads and tighten the nuts with the wrench.

How do you replace an alternator on a Pontiac Grand Prix?

Plug in the electrical connectors to the alternator and install the drive belt. Reposition the oil dipstick tube to its original position and tighten the bolt for the oil dipstick tube with a socket wrench. Replace the air cleaner assembly and connect the negative battery cable. Determine which alternator your Pontiac Grand Prix will need.

How do you install an alternator on a 3.4 L engine?

Take the mounting bolts (and nuts for a 3.4 L engine) off of the alternator with a socket wrench and remove the alternator assembly. Install the new alternator assembly and tighten the mounting bolts to 15 foot pounds with a torque wrench for most models.

Remove the alternator from the alternator bracket and set it above the drive axle. Remove the drive belt tensioner bracket bolt and remove the bracket and tensioner as one piece. Remove three bolts from the alternator brackets — one on the top and two on the front of the engine. Remove the brackets.

Where is the tensioner on an alternator bracket?

Find the drive belt tensioner below the alternator pulley. Rotate the tensioner to release tension on the belt and slip the belt off the alternator pulley. Remove the bolt on the front and two bolts on the rear of the alternator. Remove the alternator from the alternator bracket and set it above the drive axle.

How do you replace alternator on Chevy Venture?

Chevy calls for replacement alternator part No. 10317648 or equivalent. Park your Venture and turn off all accessories. Set the parking brake and put the transmission in “Neutral.” Turn the ignition switch off and remove the key. Install a memory-saver.

Where is the alternator on the right fender?

Disengage the wiring harness on the right fender well from its retainer and move it aside. Lift the alternator from the engine compartment. Set the alternator in the engine compartment in its temporary position above the drive axle. Engage the wiring harness in the retainer on the right fender well.

How big of a socket do you need for an alternator?

These will often require a 14mm or 1⁄2 inch (1.3 cm) socket, though you may need to try others. As you loosen the bolts, the alternator will slide in the bracket under the tension of the belt. You may not need to remove the serpentine or accessory belt if it’s not damaged. Inspect the serpentine belt for damage.

Unbolt the alternator from the engine using a 3/8-inch ratchet and socket, then pull it out of the mounting bracket. Place the new alternator in the mounting bracket and bolt it in place. Place the belt back over the alternator pulley and make sure the belt is routed according to the sticker under the hood.

What should the voltage be on a Toyota alternator?

1. Measure the DC voltage across the battery terminals (should be 12.6V) 2. Start the engine, and run it up to about 2000RPM. Voltage at the battery should read about 13.5-14.5V ( more than 15 indicates a problem — this is important ).

Locate the retaining bolt on the top of the alternator and remove it with a socket and ratchet. Find the second bolt at the bottom of the alternator, on the front of the unit. Remove it with a socket and ratchet, then lift the alternator off the engine and out of the engine compartment.

Can you replace the alternator on a 2001 Buick Century?

Replacing the alternator in your 2001 Buick Century is a good project to do yourself. It can save you from paying a large repair bill to a garage or the dealership’s service department for a relatively simply job. The alternator on the 3.1-liter engine in this car sits on top of the right-hand cylinder head as you look at the engine.

Where do I plug in a new alternator?

Plug the wiring harness connector into the back of the new alternator, making sure it locks in place. Slide the battery output wire onto the BAT terminal, followed by the retaining nut. Torque the retaining nut to 15 ft-lbs. with a torque wrench and socket.

Where is the second bolt on the alternator?

Find the second bolt at the bottom of the alternator, on the front of the unit. Remove it with a socket and ratchet, then lift the alternator off the engine and out of the engine compartment. Set a new alternator in place on the engine and install the upper and lower retaining bolts.

If your vehicle does not have an auto tensioner, insert a pry bar or piece of wood between the alternator and the engine. Run the belt over the alternator pulley, then use the bar to pry the alternator away from the engine and increase the tension on the belt.

How do you remove a belt tensioner bracket?

Remove the other bracket bolts that hold the belt tensioner to the engine block. Use a ratchet and socket and turn the bracket bolts counterclockwise to loosen and remove the bolts from the belt tensioner bracket.

What happens when you loosen a serpentine belt?

If your vehicle uses the alternator bracket to apply tension to the belt, loosen the two bolts that pass through the long eyelets on the bracket. As you loosen the bolts, the tension on the belt will likely move the alternator toward the engine and relieve the pressure. Loosen the bolts enough to move the alternator, but don’t remove them.

What happens when you unscrew a belt tensioner?

The tensioner will rotate freely before it comes to a stop. When the spring-loaded arm comes to a stop, continue to turn the bolt until the bolt loosens. Once the bolt loosens from the spring-loaded arm of the tensioner, release the belt tensioner until it comes to a stop. Finish unscrewing the bolt with your fingers.

How do you remove a pulley belt from a car?

With the tension relieved from the belt, pull it off of the pulley that has been placing tension on it, then remove it from the around the rest of the pulleys on the engine. If the belt is severely damaged, be sure to remove any parts that may have come off of it as well. Compare the new belt to the old one.

How do you tighten a serpentine belt on a car?

Why is my new belt longer than my old belt?

The old belt may be slightly longer than the new one due to stretching. If the new belt is not the same width as the old one, it is the wrong belt. Make sure the new belt doesn’t show any signs of damage from the factory or it may tear after you install it. Route the belt through the pulleys.

Unscrew the ground wire with a screwdriver and remove it. Remove the drive belt from the engine, loosening the bolt in the center of the idler pulley with the wrench and slipping the belt off the pulleys. Remove the two mounting bolts for the alternator and remove it from the engine. Install the replacement alternator and apply its mounting bolts.

How to change the alternator on a 1997 Nissan SE pickup?

Lift off and remove the drive belts with the edge of a flat-blade screwdriver. Remove the air conditioner belt first, followed by the power steering belt and the alternator belt. Place a jack under the front of the truck. Jack the front of the pickup up and secure it on jack stands. Remove the three wires from the back of the alternator.

What does an alternator do in a Nissan Altima?

The alternator’s job in your Altima is to provide electricity as it is running. The battery stores enough voltage to be able to start the engine without the assistance of an alternator. It is turned by a serpentine belt.

How do you tighten an alternator on a pathfinder?

Tighten the alternator drive belt using the wrench on the idler pulley bolt. The belt should not give more than a quarter-inch when you press down on it in the center with your thumb. If the Pathfinder has a 3.5-liter V6 engine, you will need to remove the drive belt and then disconnect the wires and connectors from the alternator.

How do you reconnect an alternator drive belt?

Reconnect the battery cable. Tighten the alternator drive belt using the wrench on the idler pulley bolt. The belt should not give more than a quarter-inch when you press down on it in the center with your thumb.

Reach behind the alternator with a small 10mm wrench to loosen and remove the electrical connector found on the backside. Remove the alternator belt, paying special attention to how it is attached, then remove the second mounting bolt and pull the alternator out of the engine compartment.

How can I tell if a new alternator is the same as the old one?

Check the new alternator against the old one to be certain that the mount points and electrical connector are the same. If the alternators do not appear to be identical, return to the parts store to retrieve the correct alternator for your vehicle. Use a small 10mm wrench to connect the electrical wire to the rear of the new alternator.

How do you attach an alternator to a belt?

Attach the alternator belt to the alternator, making certain to attach it the same way it was attached to the old alternator. Using a wedge or pry bar between the far side of the alternator and the mounting block, pull the alternator upward.

Where is the alternator on a Cutlass Supreme?

Park your Cutlass Supreme in an open work area and pop the hood open. Use a combination wrench or socket wrench to remove the negative battery terminal cable. Locate the alternator, which should be bolted to the top left of the engine.

How long does it take to replace an alternator on a Mercedes Benz?

If you are doing it yourself for the first time you should be able to do it in around 3 or 4 hours, so plan on a Saturday morning. An experienced mechanic should be able to replace the alternator in even an hour.

What makes up the alternator on a Harley Davidson?

The charging system on a Harley-Davidson motorcycle consists of the battery, the voltage regulator and the alternator. The alternator, in turn, is made up of the rotor and the stator.

When did the Buick Electra Change to front wheel drive?

Buick Electra. During its more than 30-year run, Electra was offered in varying body styles including coupe, convertible, sedan, and station wagon. It was rear-wheel drive from 1959 to 1984 and then converted to front-wheel drive (except station wagon) in 1985. The Electra was replaced by the Buick Park Avenue in 1991.

How do you change the voltage regulator on a Harley Davidson?

This specific video shows you how to change your Harley voltage regulator, also known as the voltage regulator rectifier. We remove the old regulator and the wire off the 30 amp breaker and install a new voltage regulator and wire it correctly. We then insert the plug into the Stator allocation.

What happens when an alternator fails on a car?

The headlights draw power from the battery, just as ignition, audio, starter motor and everything else. If the alternator fails or doesn’t deliver enough power all of these will continue to draw from the battery until it is empty. The battery won’t recharge (properly) anymore, however.

What’s the best way to check your alternator?

Monitoring Your Alternator Check the alternator gauge. Listen to the alternator while the engine is running. Turn the radio on and rev the engine. Find an auto-parts store that tests alternators for free.

What to do if your alternator makes a squealing sound?

If there is a problem with the bearings you may hear a squealing sound coming from the front of the car, which becomes louder with more electrical accessories using power at the same time. Turn the radio on and rev the engine. Tune your radio to a low number on the AM band with no music.

https://www.youtube.com/watch?v=Sow9jSN4V1g

How many bolts do you need to replace an alternator?

Our model required the removal of three bolts: one at the front and two at the rear. With the old alternator in your hand you’re half way home. You’ll likely find getting the new one back in goes much faster since you already know what size the bolt heads are and where everything is.

What are the side effects of removing an alternator?

Side effects include nausea, insomnia, and very dirty fingernails. If you experience that it takes you longer than 4 hours to remove this alternator, call your mechanic immediately. To make sure the alternator needs to be replaced, google “how to test an alternator” and invest in a good multimeter if you don’t have one.

How many bolts do you need to remove alternator?

Remove the three bolts on the left side of the alternator. Two of them will not come all the way out because of lack of space, but they will come out far enough to remove the alternator. You will now have to install a light because it has taken you longer to do this than you thought could ever be possible and it is 10:00 at night.

When to call a mechanic for an alternator replacement?

If you experience that it takes you longer than 4 hours to remove this alternator, call your mechanic immediately. To make sure the alternator needs to be replaced, google “how to test an alternator” and invest in a good multimeter if you don’t have one. 2) Remove battery terminal connections and wait at least 30 min for the airbags to be disabled.

Can a bad alternator leave a Toyota 4Runner without power?

A bad alternator can leave your Toyota 4Runner without power and unable to move. Alternators don’t always go bad in the exact same way. We’ll cover the symptoms of when an alternator goes bad, and how to diagnose a bad one (which is really pretty easy).

How can I tell if my alternator has an auto tensioner?

You can tell if your vehicle uses an auto-tensioner by looking at the alternator mounting bracket: if the bolts can slide from side to side in the bracket, it does not have an auto-tensioner. You will need to slide the belt off the alternator pulley before you release the auto-tensioner.

Which is the best alternator for a Toyota truck?

When it comes to convenience and reliability, Toyota’s trucks are one of the best in the market. If your Toyota Pickup alternator has a low voltage output, you aren’t getting the power you deserve.

What’s the best way to replace an alternator?

If you find any of those issues, you’ll need to replace it. Remove the alternator from the engine bay. With the belt pulled off of the alternator pulley and the wires disconnected, the alternator should come out freely. You may need to wiggle the alternator around some things in order to remove it.

As you loosen the bolts, the alternator will slide in the bracket under the tension of the belt. You may not need to remove the serpentine or accessory belt if it’s not damaged.

What happens when the belt on an alternator breaks?

A closer observation of the alternator will reveal a pulley and belt system that works to convert mechanical energy into electrical energy. The serpentine belt powers the alternator, and if it fails, the alternator will stop working the moment your belt wears out and breaks, or the pulley becomes damaged.

Why does my alternator not change the voltage?

If the voltage change and go back to normal when you tap it lightly with a hammer while the car is running – the Carbon brushes are worn out and needs to be replaced in the alternator, or the whole alternator. Sometimes there is an electrical problem in the alternator, and even if the voltage does not change, it might be damaged.

How often should a serpentine belt be replaced?

Most serpentine belts need to be replaced every 40,000 to 70,000 miles. If there are signs of the belt rubbing on something, make sure to identify and repair whatever it was rubbing on to avoid damaging the new belt.

How do you replace an alternator on a Nissan Murano?

9. Reach up between the Exhaust Manifold and A/C Compressor with a pair of Long-Handle Needle Nose Pliers and remove the Through Bolt and lower the vehicle on the hoist. 10. Remove the Battery from the vehicle.

How long does it take to replace an alternator?

With a few tools and about an hour you can swap it out yourself — and keep your dough in your pocket where it belongs. Note: As this is a Craftsman -sponsored project, you’ll notice a number of Craftsman tools in the photos, including Cross Force Wrenches.

How do you change the alternator on a Nissan Altima?

Loosen the bolts that are securing the alternator to the engine and bracket with a socket wrench just enough to be able to move the alternator on the bracket. Slide the alternator forward on the bracket and remove the alternator belt from the pulley. Detach the electrical wiring plug from the alternator socket, pulling it straight up by hand.

What kind of alternator does a Dodge Tahoe use?

Top Rated 320 amp high output alternator for GM Suburban Silverado Sierra Tahoe Escalade 170 am racing alternator – 63-85 GM – Chrome 370 amp high output alternator for Dodge / Chrysler 3.6L / 300 / Challenger / Charger 4 gauge OFC pure copper power cable – 100 foot spool – Black

What’s the highest output of a Mechman alternator?

All we do is Alternators. Mechman Alternators can build a high output alternator for almost any application with outputs ranging from 150a to 370a.

How do you remove an alternator?

Removing the Old Alternator Relieve tension on the belt with the auto-tensioner (if equipped). Loosen the bolts on the alternator if there is no auto-tensioner. Inspect the serpentine belt for damage. Remove the alternator from the engine bay. Compare the new alternator to the old one.

How do you change an alternator belt?

How to Replace Alternator Belt in 5 Steps Step 1 – Check the Alternator Belt Step 2 – Release the Tension Step 3 – Get Familiar with the Alternator Belt Step 4 – Install the New Belt Step 5 – Make the Final Check

How do you install an alternator?

How to Install an Alternator in 10 Steps Step1 – Disconnect the Negative Terminal of the Vehicle’s Battery Step 2 – Loosen the Two Bolts that Hold the Alternator Step 3 – Rotate the Alternator Step 4 – Remove the Electrical Wires Step 5 – Adjust the Bolts Step 6 – Install the Belt Step 7 – Position the Alternator Step 8 – Move the Vise Grip

As long as your alternator is easy to access it usually involves removing a couple of bolts and loosening your car’s serpentine belt. Loosening the car’s serpentine belt requires a special tool to loosen the serpentine belt. You will also need a standard toolset to remove the bolts that attach the alternator to your car.

You should also be able to remove these bolts with a basic socket set as most engine bay bolts are going to range from a 9 to 12. Once you have the bolts removed from the old alternator you would want to put them in a safe spot so you can reinstall them later.

Can a positive power cable be removed from an alternator?

Once you have the positive power cable removed from the alternator you can go ahead and start to remove the bolts connecting the alternator to your engine. You should also be able to remove these bolts with a basic socket set as most engine bay bolts are going to range from a 9 to 12.

What causes a belt tensioner pulley to squeak?

Tensioner pulley wear will cause your pulley to squeak. A worn out pulley bearing or a worn spring in the tension pulley can also cause squeaking or a chirp. I show you how to use water to identify what type of squeak problem you have and then how to find the problem.

Ensure all the bolt and/or nut threads are started and tighten them evenly. On some vehicles, the electrical connections will need to be installed first before permanently tightening the alternator for access reasons. Place the drive belt in position and ‘rotate’ the belt tensioner so the belt can be installed.

What should be the deflection between the drive belt and alternator?

Vehicles with a manual tensioner or the belt tightens with the alternator, there should about ½ inch of deflection in the belt between the pulleys with the greatest distance between them. Once the alternator, drive belt, and electrical connections are reinstalled, scan the work area and make sure nothing has been overlooked.

What kind of wrench do you need to replace an alternator?

Unscrew the bolt holding it in place and pull it from where it’s connected. The bolts will likely require standard sized sockets or wrenches in American made vehicles, and metric in most foreign applications. The only other cable running to the alternator connects to a harness, so it will be easy to identify.

What to do if your alternator is not working?

If your alternator is not working properly, save time and money by changing your alternator at home instead of taking the car to a mechanic. Park your Cutlass Supreme in an open work area and pop the hood open. Use a combination wrench or socket wrench to remove the negative battery terminal cable.

How do you remove third bolt from alternator?

Remove the alternator’s third bolt from underneath the vehicle by turning it in a counterclockwise direction. Disconnect the primary positive charging wire from the alternator’s output terminal by loosening the nut in a counterclockwise direction.

How long does it take to replace an alternator on an Aurora?

This system is designed to provide electricity to the primary ignition system while recharging the battery and secondary accessory subsystems. The Aurora’s alternator can wear out and require replacement; the average backyard mechanic can replace this alternator in about 30 minutes.

What can I use to relieve tension on alternator belt?

Relieve tension on the belt with the auto-tensioner (if equipped). Some vehicles use the alternator itself to apply tension to the serpentine or accessory belt, but others use an auto tensioner pulley.

What should I do if my alternator is hot?

Really! First and most importantly: disconnect the battery. There may be several wires or just one wire on your alternator, but rest assured that one of them is hot. If you don’t disconnect the battery, you’re very likely to end up grounding a live wire during the process.

How do you remove serpentine belt from alternator?

Remove the serpentine belt from the alternator. Disconnect the wiring harness and the battery cable from the back. Now start loosening the two 13mm bolts on the back of the alternator and the 15mm bolt on the front.

What’s the best way to remove an alternator?

Unbolt the alternator from the bracket. If you’re having trouble removing the alternator, you can also try removing the bracket, which is held by a pair of bolts. Removing this should give you enough room to remove the alternator. Move the new alternator into position. Connect the exciter wire, then thread in the bolts by hand.

What is the alternator on a Chevy Camaro?

The alternator is the central power unit of your car’s charging system. This article will show you how to install a new one. This article applies to the Chevrolet Camaro and Pontiac Firebird (1990-2002).

How do you connect a new alternator to a car battery?

Move the new alternator into position. Connect the exciter wire, then thread in the bolts by hand. Tighten the bolts down and then reconnect the wires on the back of the alternator. Slip the serpentine belt over the alternator pulley, then tighten the tensioning bolt. Reconnect the battery and start the car.

How to install a new serpentine belt, fan belt or?

With clear access to your pulleys, you can now install your new serpentine belt. Remember to align the grooves of the belt with the grooves of your pulleys.

How do you remove a serpentine belt from a battery?

Use the appropriate sized wrench or socket to loosen the nut holding the black ground cable on the negative terminal of the battery. Slide the cable off of the terminal and tuck it to the side of the battery. You will not need to disconnect the positive terminal. Locate the serpentine belt.

Why do I need a new fan belt?

Everything from the water pump to the air conditioning. But let’s not get too poetic about it. All of those pulleys need belts to transfer the energy from the crank pulley, and those belts wear out with all of their spinning, heating, cooling, stretching, and shrinking.

How long does it take to replace alternator in 1998 Isuzu Trooper?

This step-by-step guide will show you how to remove and replace the alternator in your 1998′ Isuzu Trooper. This vehicle repair will take four to six hours depending on your skill level. Asking a friend to help will speed up the process. Have a mechanic or auto part store verify that the alternator is bad before deciding to change it.

Disconnect the two wires to the alternator. The smaller one is a quick connector (“F” in the picture). The larger one is hold by a 13mm nut (“G” in the image). You’ll have to remove a plastic cap to see the nut. Step 7. Remove the last 2 bolts holding the alternator in place.

How do you remove a belt from a Nissan Frontier?

Near the top of the idler pulley, you will see an adjustment bolt. Loosen the locking bolt in the center of the pulley to allow the pulley to move. Then, turn the adjusting bolt counterclockwise to loosen the tension on the belt. Remove the belt when you have relieved sufficient tension to slip it off the power steering pump pulley.

How long does it take to change an alternator?

This vehicle repair will take four to six hours depending on your skill level. Asking a friend to help will speed up the process. Have a mechanic or auto part store verify that the alternator is bad before deciding to change it.

What’s the difference between an alternator and a power steering belt?

The alternator belt uses a pinch bolt and a long tension bolt, in addition to its pivot bolt. The power steering bolt has a tension bolt and a pinch bolt that slides on a track. Tensioning the power steering belt can be difficult since the position of the pump, determined by the position if your pry bar, determines the tension.

When to replace power steering belt in Toyota?

In the Toyota V6 engines, they drive the alternator and A/C compressor on one belt, and the power steering pump on the secondary belt. Replacing the belts is a good idea if they are worn, cracked or are squealing on cold starts. Belt failure can lead to sudden loss of steering, a discharged battery or an ineffective A/C system.

What does the serpentine belt on a Toyota do?

Toyota or Lexus with a V6 engine. The serpentine belts are responsible for driving accessories off of the crank of the engine. In the Toyota V6 engines, they drive the alternator and A/C compressor on one belt, and the power steering pump on the secondary belt.

How does the alternator work on a 1999 Nissan?

The alternator on the 1999 Nissan generates power for distribution throughout the automobile’s electrical system. The electricity is available on demand when the car is running. Anything that you try to power, when the car is off, will draw electricity directly from the battery.

How to know if your alternator is running or not?

As a rule, if the voltmeter is higher when the engine is running than when the engine is not, you can confidently assume that the alternator is charging. 2 Listen to the alternator while the engine is running.

How do you remove an alternator from a Ford truck?

Disconnect the main power lead going into the alternator. Remove the two 10 millimeter fasteners from the front of the engine. Remove the rear bracket that is held by 10 millimeter fasteners as well. Disconnect the two remaining electrical connectors. Finally, remove the alternator from the truck.

How can I tell if I need to replace my alternator?

Once the electrical connections, drive belt and any interference items are inspected, disconnected and removed, the old alternator can be unbolted from the engine and mounting brackets. Match it Up! Compare the old alternator to the replacement alternator.

Where is the alternator on a 3.1 liter car?

The alternator on the 3.1-liter engine in this car sits on top of the right-hand cylinder head as you look at the engine. Accessibility is very good and you can remove and replace the alternator with basic hand tools in about and hour.

How to know if your alternator is working properly?

1 Check the drive belt or serpentine belt. Look for signs of wear or damage like cuts, shiny spots or missing chunks under the belt. 2 Also, check the belt tensioner for proper operation and damage. It should rotate freely. 3 Make sure the alternator is properly mounted. 4 Check the alternator for noises. …

What causes an alternator to go over base voltage?

If you are getting more than 2 volts above base voltage, most likely your alternator is over-charging the battery or the battery is faulty. Other potential problems are a faulty voltage regulator or a problem in the charging system wiring.

Can a Lexus ES drive belt be replaced?

Replace the drive belts in a Lexus ES using this guide and stop their squealing. This article applies to the Lexus ES (2007-2014). The serpentine belt supplies the power to a lot of key components including the alternator, power steering, and air conditioning. If the belt fails and breaks, you can’t go anywhere because you’ll lose your alternator.

How much does it cost to replace a timing belt on a Lexus ES 350?

Timing belt replacement is an interval maintenance requirement for Lexus vehicles. This repair should run you under $400 and to replace the water pump will cost between $343 and $441. Owners of Lexus ES 350 and 300h models do not have timing belts. Their engines are equipped with timing chains that do not require specific maintenance.

How often should a Lexus serpentine belt be replaced?

If the belt fails and breaks, you can’t go anywhere because you’ll lose your alternator. Replacing the belt yourself can be a bit tricky, but can save you a lot of money by not having to go to the dealer. The serpentine belt should be replaced every 50-75k miles or when it starts to lose pieces of itself.

If the wiring is difficult to access you will be able to disconnect it once the alternator is loose from the engine. All alternators are designed with a main power cable (large gauge) that is connected directly to the battery for main charging purposes. Use a socket or wrench to remove the nut by turning it counterclockwise.

How do you remove the serpentine belt from an alternator?

Record the radio presets if you want to re-enter them when the job is complete. The serpentine belt will also need to be removed. Locate the belt tensioner and hold reverse tension against it using a wrench, socket or breaker bar. This will allow the belt to be removed from the alternator pulley.

How to replace serpentine belt 06-11 Chevy Impala?

You’ll need 10mm and13mm sockets, a ratchet, a 3/8 drive, and either a breaker bar or a ratchet handle with a pipe for some extra leverage. To start, there are two 10mm nuts that hold the coolant overflow tank, and we’ll remove those. With those removed, just pull the coolant tank up and out and just put it to the back out of the way.

How to troubleshoot an alternator and charging system problem?

If necessary, adjust the belt with the help of your car owner’s manual or repair manual. Inspect the belt for signs of cracks, cuts, shiny spots, deterioration or other signs of wear or damage. Change the belt and belt tensioner at the manufacturer’s recommended interval. 2. Check for Wiring Problems

How do you replace the alternator in a Chevy Impala?

Install the mounting bolts and reconnect the wiring to the back of the alternator. Again, if your Impala has a tensioner pulley, you’ll need to pull that out to allow the serpentine belt to go back in place. Route it appropriately and make sure it’s in the correct position, this can be a little confusing so take your time.

Where are the mounting bolts on a Chevy Impala?

Alternators usually have two or four mounting bolts. On alternators that can be adjusted, you’ll find two mounting bolts and a smaller bolt on the support bracket for adjustments. Alternators on Impalas with a tensioner pulley will have four mounting bolts to remove. Install the mounting bolts and reconnect the wiring to the back of the alternator.

How do you remove serpentine belt on Chevy Impala?

On vehicles with a serpentine belt and tensioner, you’ll need to use a socket wrench with a long handle to pull the tensioner pulley out to give you enough slack to remove the belt. Take note of how it’s positioned because it can be confusing to put back on correctly, even though you have a diagram of the direction in the engine bay.

Can You disconnect the battery in a 2004 Chevy Impala?

If you have a 2004 or newer Impala, keep in mind that disconnecting the battery can lead to system memory problems. Use a battery memory saver before you disconnect the battery. You disconnect the battery to prevent any shorts that you may accidentally cause by touching a battery positive wire at the alternator.

Where can I buy a new alternator for my DeVille?

Replacement alternators for your DeVille can be purchased from most auto parts stores. However, before replacing your alternator, you can use the built-in diagnostic system on your DeVille to determine if your alternator has failed. Open the fuse panel cover underneath the steering wheel and locate the fuse for the alternator.

Why is my alternator not working on my Cadillac DeVille?

Start your Cadillac DeVille’s engine. Wait five seconds and check the lights on the instrument panel. If a light in the shape of a battery illuminates, this indicates a failure of the alternator. The voltage regulator is malfunctioning and causing the system to over or undercharge the system. The alternator needs to be replaced.

How can I tell if my alternator has failed?

However, before replacing your alternator, you can use the built-in diagnostic system on your DeVille to determine if your alternator has failed. Open the fuse panel cover underneath the steering wheel and locate the fuse for the alternator. Use the fuse diagram on the underside of the fuse panel cover to locate the fuse for the alternator.

Remove the ring connector, using a wrench, then unplug the second connector by pushing the locking tabs on the connector and pulling it free of the alternator. Remove the mounting bolts from the alternator with a socket and ratchet, then lift the alternator out of the engine compartment.

What kind of alternator does a Mitsubishi Galant need?

Determine which alternator your Mitsubishi Galant will need. You’ll want to be sure the new alternator is compatible with your Galant’s engine. Models made from 1969 to 1973 will have a 1.3 L or 1.5 L engine, 1973 to 1975 models have a 1.6 L engine and models made from 1976 to 1983 may have a 1.6 L, 1.85 L, 2.0 L or 2.6 L engine.

How do you change the alternator in a Mitsubishi?

Remove the two bolts from the alternator bracket using a ratchet and socket. Then remove the bracket. Unscrew the remaining alternator large mounting bolt, working from under the vehicle, using the ratchet and socket. Then remove the alternator from the engine compartment.

Where is the drive belt routing on a Mitsubishi?

Make a note of the drive belt routing on your particular Mitsubishi model or find the belt routing label in front of the radiator frame or around the engine compartment. Use it as a guide during re-installation. Insert the drive of a 1/2-inch drive breaker bar into the auto tensioner square hole.

When to replace the serpentine belt on a Mitsubishi Montero?

Periodical inspection of the serpentine belt on your Mitsubishi Montero is an important part your vehicle maintenance schedule. Once you notice signs of glazing, cracking or damage on the drive belt, it is time to replace it to keep engine-driven accessories running properly.

Where is the tensioner on a Mitsubishi radiator?

You will find the tensioner on the upper engine section along the route of the belt. It has a metal tab on top with a square hole in it. Make a note of the drive belt routing on your particular Mitsubishi model or find the belt routing label in front of the radiator frame or around the engine compartment. Use it as a guide during re-installation.

How can you tell if your alternator has died?

To do a quick check on an alternator, I was told that you could start the car and then remove the negative battery cable. Doing this would allow you to check whether the alternator is putting out enough current to run the vehicle. If the engine cuts off, it is a sure sign that the alternator has died.

Why does my Tuff Stuff alternator not charge?

In order for an alternator to properly charge, it must be properly grounded. Many times, an alternator is attached to a freshly painted engine, and if the paint inhibits grounding, the alternator will not charge. That is why many Tuff Stuff alternators include a grounding tab that should be used to ground the alternator.

How do you change the pulley on an alternator?

PULLEY CHANGING INSTRUCTIONS 1. To remove the alternator pulley, with one hand use an impact wrench to loosen the nut, while holding the alternator fan with the other. It is recommended that protective gloves and eyewear be used. The pulley nut uses standard, right-hand threads, so to remove, rotate in a counter- clockwise direction.

How do you change the alternator on a car?

Changing the alternator on most cars is generally the same. Find the alternator (has to be connected to the serpentine belt), and then look up steps to replace it. The main difference in cars is where the alternator is and how it’s mounted.

What happens when your alternator is not working?

When you have a faulty alternator, the car’s engine will crank slowly and at times even refuse to crank. You will also need to inspect the ignition system before concluding it is the alternator at fault. The failure to crank may also be accompanied by a buzzing or squealing noise under the hood.

How to replace an engine in a Buick Century?

I successfully completed the job on 2001 Buick Century. I recently completed a more detailed post on the similar 3.4L engine. 1) Disconnect the negative cable at battery. 2) Unplug and mark 8 or 9 electrical connectors from their devices at the top firewall side of the engine. 3) Now you can remove the air cleaner duct.

There are four bolts holding the alternator bracket and an engine eyelet for pulling the engine out. These are of three different lengths so keep track of them. 11) Unbolt the remaining six bolts from the upper intake assembly. It pulled right off. The bolts are different so keep track of where they belong. 1) Relieve fuel pressure.

How to replace an alternator in a 3.1L engine?

Three 10mm bolts. 10) Remove the two little heater bypass hoses from the throttle body. 11) Remove the alternator. There are two bolts in the back that hold it along with the pinion one in the front. The bracket for the alternator will have to come off after the alternator is removed.

Where is the locking nut on an alternator?

Locate the wiring harness connector on the back of the alternator. Depress the locking tab on the connector and pull it free from the alternator. Lay it aside, then find the battery connection on the back of the alternator. Remove the locking nut from the terminal with a wrench and pull the wire off the terminal.

Lift the alternator out from the mounting brackets. Place the pulley on the alternator in a vise. Loosen the bolt at the top of the pulley with a socket wrench. Remove the alternator and pulley from the vise. Continue loosening the bolt holding the pulley to the alternator. Take the pulley off the alternator.

What does the alternator do on a Toyota Corolla?

The alternator on the Toyota Corolla serves three purposes under the hood of the car. It converts electrical energy from the battery to a form of energy that the car can use, recharges the battery and provides a full charge each time you crank up the engine, and swivels on the mounting bracket to ensure the belt stays tight along the pulleys.

Where is the alternator on a Toyota Prius?

Open the hood to access the engine compartment. Disconnect the battery terminals from the battery with a crescent wrench. This will isolate the electrical power. Locate the alternator on the front of the motor. The alternator will be on the top right along the belt path. Unscrew the bottom bolt with a socket wrench. Place the bolt to the side.

Can you replace an alternator with a high output alternator?

The good news is that replacing a factory alternator with a high output alternator, in and of itself, isn’t going to damage the rest of the electronics in your car, even if the new alternator is much, much bigger than the old one. As an example that trends closer to the ridiculous than the likely,…

Can a low voltage alternator keep a Toyota truck running?

If your Toyota Pickup alternator has a low voltage output, you aren’t getting the power you deserve. Keep your battery 100 percent charged and run all your truck’s accessories without losing performance by upgrading with AutoZone today.

How can I get an alternator out of my car?

With the belt pulled off of the alternator pulley and the wires disconnected, the alternator should come out freely. You may need to wiggle the alternator around some things in order to remove it. Keep track of how you worm the alternator out of the engine bay to help squeeze the new one in. Compare the new alternator to the old one.

What should the voltage of the alternator be?

Run the engine up to about 2000RPM, and measure voltage at the battery again. A reading above battery voltage (12.6 in step1) here tells you that the alternator is putting out what is required to run your systems, as well as keeping your battery charged. Once again, a reading over 15 volts is BAD.

Take off the rubber cover for the B+ terminal and loosen its retaining nut with a socket wrench. Unplug the electrical connector from the alternator. Remove the alternator drive belt and detach the adjustor bolt. Loosen the pivot bolt and hold the alternator as you remove the pivot bolt. Remove the alternator from the vehicle.

How do you wire an alternator in a Chevy?

How to Wire a Chevy Alternator. Connect the #2 terminal to the positive terminal on the battery. This terminal can also be jumped directly to the BAT terminal. This line is used to regulate the power generated by the alternator. Attach the alternator fan belt to the pulleys on the engine and alternator.

How to replace the alternator in a Geo Metro?

How to Replace the Alternator in a Geo Metro. The alternator in a Geo Metro operates various accessories in the vehicle by transmitting an electrical current while the engine is running. The alternator assembly frequently includes a voltage regulator that maintains a constant voltage level.

How do you remove the pivot bolt on a B + alternator?

How to remove an alternator from a 1996 Mazda 626?

Unfasten the three bolts that secure the front exhaust pipe to the exhaust manifold using the ratchet and socket. Unfasten the two bolts securing the front exhaust pipe to the catalytic converter with the ratchet and socket. Pry the pipe mounting hook off the rubber hanger with a screwdriver and remove the front exhaust pipe from the vehicle.