Question about 1998 Chevrolet Blazer
Bad news. You are looking at replacing the crank and/or the rod bearings. They are worn. It is fine when the oil is cold and thick, but when the oil heats up it gets thinner and the gap in the bearing is too large to hold the pressure up. It will run like that for a long time but will get progressively worse until it is so low that you spin a bearing or you throw a rod. Just make sure that you keep the oil full, don't leave it idle any more than you need too, don't over rev it and try not to horse it. (don't make it work to hard) I have 289,000 and mine has been doing that for the last 70,000.
Posted on Sep 03, 2010
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Posted on Jan 02, 2017
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