Question about 2000 Chevrolet Silverado 2500
We have loud ticking noise (possibly a lifter or two?) under the hood that starts after driving the truck from about 10-15 minutes. We have to pull the truck over and let it sit for a few minutes before starting it back up and then all sounds fine. We used to be able to let it warm up for about 30 minutes and it would be fine, but not any more. Doesn't seem to be any loss of oil, because the oil level /pressure always reads fine.
If noise is higher pitched and coming in on valve time...(2wice for every revolution of motor..ie: faster)...then upper end pressure is down due to sludge, wear , lifter failure, valvespring failure,rocker stud lifting out of cylinder head (kinda common) cam bearings failing (very rare)..oil pump bypass stuck open..and a few other possibilities... respond and we will go over lower end sound (deeper ,slower) and see what identifies your issues .... miles
Posted on Dec 05, 2008
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Posted on Jan 02, 2017
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