Alternator Pulleies

Replacement Parts > Electrical, Charging and Starting > Alternator / Generator and Related Components

Alternator Pulleies

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What is an alternator pulley?

An alternator pulley is a belt-driven component that is used to turn the alternator, which is responsible for keeping the vehicle\'s battery charged.

What are the signs of a faulty alternator pulley?

The signs of a faulty alternator pulley can be difficult to recognize. Common symptoms include:

  1. A squealing or chirping noise coming from the engine compartment
  2. Intermittent charging or starting problems
  3. Unusual engine vibrations


Can a faulty alternator pulley cause damage to other components?

Yes, a faulty alternator pulley can cause damage to other components, such as the alternator, battery, and engine belt.

How do you replace an alternator pulley?

Replacing an alternator pulley requires some mechanical knowledge and specialized tools. Here are the steps to follow:

  1. Disconnect the negative battery cable.
  2. Remove the alternator belt.
  3. Disconnect the alternator wires.
  4. Remove the alternator pulley.
  5. Install the new alternator pulley.
  6. Reconnect the alternator wires.
  7. Reinstall the alternator belt.
  8. Reconnect the negative battery cable.


How often should an alternator pulley be inspected?

An alternator pulley should be inspected at least once a year, or as part of regular maintenance. If any signs of wear and tear are noticed, it should be replaced immediately.