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Q: High pitch whining from alternator.

asked by on

Going high speeds and/or pressing on the accelerator causes the accelerator to make a high pitch whining noise. It has never done this before until continuously driving on the interstate moving at high speeds.

My car has 163000 miles.
My car has an automatic transmission.

A: This can come from a variety of places othe...

This can come from a variety of places other than the alternator such as the transmission. Your car should be equipped with what is called a CVT (constant variable speed transmission) which is notorious for making this kind of a sound as the engine rpms are increased. Because this can come from many areas, this may be difficult without taking the vehicle for a test drive. I would recommend having an expert from YourMechanic come to your home to diagnose this whining noise and make repairs.

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