C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Random Whine from the 95.

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Old Nov 3, 2014 | 08:35 PM
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Default Random Whine from the 95.

Ok here is the situation I have been hearing from the car that the mechanic can not hear.

From time to time I hear a whine coming from the driver side near the center heading back to the read end. It is the loudest when in reverse and you give it a little gas to go back. From there I notice it when coasting to a stop and barely tapping the brakes. also from time to time when starting out when the engine is cold, soon as it shifts it stops and I never hear it again when moving forward.

If the sound does start when coasting to a stop if I hit the brakes hard it stops and I will not hear the sound again for the duration of my trip.


My car is an auto, 95, 3.07 gears, & 29,500 miles.

I hope this makes sense to everyone.

Thanks
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Old Nov 3, 2014 | 10:24 PM
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..... Check the gear lube level in the diff ... and while you're under there ... check for fore and aft movement in the driveshaft/pinion yoke ... sounds to me like slightly loose pinion bearings ... or a possible wheel bearing on the way out ..........
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