How do I replace my alternator myself?

Step by Step: Replacing an Alternator

1. Save the memory on your vehicle’s preset electronics.
2. Disconnect the negative battery cable.
3. Loosen the belt tensioner.
4. Loosen and remove the serpentine belt.
5. Remove the wiring harness or connectors.
6. Loosen and remove the alternator.

How much is a Chevy Cavalier alternator?

The average cost for a Chevrolet Cavalier alternator replacement is between $584 and $603. Labor costs are estimated between $74 and $93 while parts are priced at $510. This range is based on the number and age of Chevrolet Cavalier’s on the road.

What tools do I need to change an alternator?

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 do you know if its the starter or alternator?

If you hear a whine or the sound goes fuzzy when you hit the gas, your alternator is probably failing. If the vehicle won’t crank or start but the headlights are still working, look to problems with the starter or other parts of the engine.

How much is an alternator for a 2005 Chevy Cavalier?

We currently carry 9 Alternator products to choose from for your 2005 Chevrolet Cavalier, and our inventory prices range from as little as $186.97 up to $343.97.

Is changing alternator easy?

Replacing an alternator can cost you several hundred bucks at the local repair shop, but it’s one of the simplest repairs you can do at home. With a few tools and about an hour you can swap it out yourself — and keep your dough in your pocket where it belongs.

Can a bad alternator kill a new battery?

Can a bad alternator kill a new battery? Yes, very easily. A failing alternator can overcharge, which will damage the battery.

How long does it take for a bad alternator to drain a battery?

In this situation, the battery could last as little as 30 minutes. If you are lucky and could get up to two hours. Note: In case you have to start the car without an alternator, don’t turn off the engine once you’re going. Starting the car flattens the battery down quickly.

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.

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.

How to replace alternator on Mercedes Benz E C CLK s?

Plug the electrical cable on the back of alternator and make sure it clicks when you push it in. That way you know it is locked in place. Reinstall the serpentine belt, the engine cover and the reconnect the battery. 2 Bolts that hold the alternator in place. Max 45 Nm. 1 Bolt on the back of the alternator. Between 15 Nm to 18 Nm.

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.