Question about 1998 Chevrolet K1500

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I have a 1998 chevy 1500 with 90,000. Just noticed some rear end howling which has gotton louder. Drives fine other than the noise. You notice the noise more when your coasting verses when you are accelerating. What could it be?

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  • Chevrolet Master
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Diff can get noisy if the lube is low. Have you checked the level?
Noise can also indicate gear wear or a bearing problem but I can't hear that from here so you need a good tech (with lots of experience) to listen to it both on the road and with the vehicle up in the air.
If it's either a bearing or gear problem, though they can be rebuilt, parts are expensive and "setup" is precision work or it will quickly fail again. To save $ and time, I recommend replacing it with a complete end to end unit from a scrapyard.

Posted on Jul 10, 2010

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