Alternator Bearings

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What are Alternator Bearings?

Alternator bearings are the bearings that support the alternator’s rotor shaft. They enable the rotor to spin and produce an electrical current.

What are the signs of a faulty Alternator Bearing?

Signs of a faulty Alternator Bearing can include:

  1. Whining or grinding noises coming from the alternator
  2. Leaking or low levels of engine oil
  3. Burning smells
  4. Alternator belt slipping


Can a faulty Alternator Bearing cause damage?

Yes, a faulty Alternator Bearing can cause other components in the alternator to wear out or become damaged due to increased friction.

How do I replace my Alternator Bearing?

Replacing an Alternator Bearing requires the following steps:

  1. Disconnect the battery
  2. Remove the alternator belt
  3. Unbolt the alternator and remove it from the engine
  4. Remove the rotor shaft
  5. Replace the Alternator Bearing
  6. Reinstall the rotor shaft and alternator
  7. Reconnect the battery