Skip the auto shop - Our mechanics make house calls

Q: Alternator squeaking

asked by on

The alternator keeps squeaking on my truck, I've changer the alternator and belt and I still speaks.

My car has 96000 miles.
My car has an automatic transmission.

Hi there. Most of the time if the noise is still there after replacing the alternator it is because the squeak is coming from the belt or another accessory. The belt needs to be replaced and the tensioner checked to see if it is holding good pressure on the belt. If not then the tensioner needs to be replaced. One other common noise is the idler pulley so I usually check that also when the belt is off. If you want to have this repaired, consider YourMechanic, as a certified mechanic can come to your home or office to diagnose the noise and make the appropriate repair.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Brake light out

Many vehicles typically have 3 brake lights on the rear. One of the left, the right, and a high mounted center light. If all brake lights were out, you may consider a fuse or electrical switch. With one light out,...

Q: P1516 engine code and reduced engine power message

Hello, and thank you for writing in. The P1516 code you received stands for an issue with the Throttle Actuator Control Module. The throttle body, the actuator module, and the wiring may all need to be inspected. The TAC module...

Q: 2001 chevy malibu what they mean with a hose overheating...

The mechanic may have misspoke to you and meant that a hose is leaking causing the overheating.

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.