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Annoying Squeak every time cylinders reactivate from V4 to V8
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Question
Z71Texan
At 1800 miles I noticed that my truck started or has been making this really annoying, high pitched squeak every time it switches from V4 to V8 on the highway. It almost sounds like a valve opens up when the cylinders reactivate and is driving me nuts!! I don't hear anything when it goes from V8 to V4. Unfortunately, I don't get to enjoy the "quiet cabin" GM advertised because of the squeaking.
Has anyone else experienced this issue? I have the 5.3L V8 in a 2015 LT Crew Cab short box Z71
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