Grinding/Whining
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Staging Lane
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Join Date: Jan 2008
Location: Anchorage, AK
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Grinding/Whining
So I have a 99 Z28 M6. It has been having some issues via a GM 10 Bolt. I am hearing a grinding or almost a whine starting at 5-10mph. At about 30mph, it turns into a very quite, but high-pitched whistle. It sounds "rotational" at low speeds if anyone understands what I mean by that. It happens no matter if it's in gear or not, that's why I'm thinking that it may not be the ring & pinion.
BTW--It cannot be the diff because I just replaced the Zexel with a TrueTrac and got new bearings & races for it. The sound just persisted.
BTW--It cannot be the diff because I just replaced the Zexel with a TrueTrac and got new bearings & races for it. The sound just persisted.