How to replace the alternator on a Chevy 350?

You have to remove the accessory drive belt, and then disconnect two electrical connectors, and remove three bolts, and the alternator will come out. Watch this video to learn how to replace the alternator on your Chevrolet 350 V8 engine.

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.

How do you remove an alternator from a car?

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 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 remove an alternator from a Chevy Silverado?

Remove the belt by inserting a 3/8 inch ratchet or breaker bar into the square hole on the front of the belt tensioner, pulling against the spring tension then remove the belt. Remove the two bolts on the front of the alternator using a 15mm socket. Remove the 10mm nut holding the main power wire.

How do you wire an alternator to a car battery?

Wire the BAT terminal on the alternator directly to the positive terminal of the car’s battery. Be sure to use heavy shielded wire rated for use with a 12V DC circuit. For one-wire alternators, this will complete the electrical installation and you can skip to the last Step.

What happens when the alternator is left disconnected?

When left disconnected, regulation will be left to the alternator’s internal regulator. Hailed as one of his native Baltimore’s emerging writers in Urbanite Magazine, for the past five years Kevin Krause has been writing everything from advertising copy to prose and poetry.

How does the alternator work on a Chevy Blazer?

The serpentine belt, which is run by the crankshaft pulley, controls the alternator itself. Every time the crankshaft pulley turns, the alternator pulley also turns. Pull the 2000 Chevy Blazer into a safe working area and shut off the engine. Open the hood and locate the battery on the driver side front of the engine.

How do you get an alternator out of a bracket?

Use the 3/8 inch drive ratchet and a socket to turn these three bolts counterclockwise to loosen and remove the bolts. Slide the pry bar between the alternator and the bottom of the alternator bracket. Pry the alternator upward until the alternator comes out of the bracket.

How do you replace the alternator on a Chevy S10?

Reconnect the secondary cable to the alternator by reengaging the nut. Pull back the tab from the primary cable, and then reconnect that wire. Push the wire in until the tab locks. Rotate the belt tensioner counter-clockwise once again. Replace the serpentine belt, referring to the routing guide, which is affixed near the radiator.

What kind of alternator should I get for my Chevy Blazer?

Your alternator plays a crucial role in how well your Chevy Blazer performs on the road. When it’s time for your next replacement, choose a Chevrolet Blazer alternator from AutoZone and enjoy a maxed-out battery output with up to 14.8 volts of power.

What’s the best way to install an alternator?

With a one-wire install, simply connect the charge wire from to alternator battery post (left) to the battery. Tuff Stuff does recommend upgrading the charge wire to a larger gauge (smaller number), as the factory wiring might not be capable of carrying the extra amperes without melting.

Do you need an alternator for a classic car?

Now however, those classic cars are receiving upgrades like high-output ignitions, stereo systems that shatter windows, and add-on electronics that definitely put a serious draw on the stock alternator. That is why the folks at Tuff Stuffhave developed alternators for classic cars that will handle the power needs of today’s enthusiasts.

Can a one wire alternator be used with a three wire battery?

Tuff Stuff’s OEM or one-wire alternators are usable in both one-wire and three-wire installations. With a one-wire install, simply connect the charge wire from to alternator battery post (left) to the battery.

How to replace the alternator on a Chevy 5.7 V8 350?

Here is how to replace the alternator on a Chevrolet truck with a 350 cubic inch 5.7 V8 engine. Replacing the alternator on a Chevy 5.7 V8 is easy. You have to remove the accessory drive belt, and then disconnect two electrical connectors, and remove three bolts, and the alternator will come out.

How does an alternator work on a Chevy?

The GM alternator used in all Chevrolet models is easy to install, as it is connected using only a few wires. The alternator converts the engine’s mechanical rotations into an electrical current using a pulley-and-belt system. This current is fed to the car’s battery, charging it for later use.

Is the Chevy 305 the same as the 350?

GM might not have made the 305 as performance-oriented as its big brother 350, but they sure made a lot of them. The Chevrolet 305 was the engine of choice for millions of full-sized GM cars and trucks that were too large for a V6 but didn’t require a 350 just to cruise around town.

Place the 3/8-inch square drive adapter into the serpentine belt tool, and insert it into the square drive on the tensioner pulley. Then pivot the tensioner to relieve the tension on the belt. Holding the tool with one hand, use your other hand to remove the belt from the alternator pulley. Do not remove the belt unless you’re replacing it as well.

What do you need to replace an alternator in a car?

In addition to a replacement alternator, you’ll need some tools: 1 Hand tools like ratchets, sockets, and wrenches 2 Belt tensioner tool 3 Gloves and safety gear 4 Battery tender or memory saver, if necessary 5 Jack, jack stands, and wheel chocks, if necessary

How does the alternator work on a Chevy Trailblazer?

The alternator on your Chevy Trailblazer uses the engine’s rotational power to produce electrical power for the various systems on the vehicle. As part of the charging system, it also recharges your car battery.

Do you need to remove drive belt to remove alternator?

The alternator is powered by the car’s drive belt, and the belt usually needs to be removed to remove the alternator. One of the pulleys that the belt is wrapped around is the tensioner, which keeps the belt tight. To remove the belt, one must relieve the belt’s tension.