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Re: Engine noise 2000 Tahoe 5.3
We drained the engine oil and no signs of bearing material. The tahoe got to full operating temp and he drove it around the block. It still has the noise. I'm going to do a carbon clean to it this weekend and see what that does. I know what the piston slap sounds like. I've owned and currently owned GM products with 5.3's or 6.0's. This ain't it. The tahoe does sit for weeks at a time so it could be carbon I guess. I haven't had time to work on it lately.
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