Message: I have a knock at idle, loud enough to be a rod knock but disappears when I rev it up. I can't trace the sound to an exact location. Runs great otherwise. Reading Haynes I assume there is no lifter adjustment and these are roller lifters?
It's a 125K, 16+ lbs on manual oil gauge at hot idle in Drive 10x40 summer oil. Recent timing chain/water pump replacement.
Opinions? Thanks Jim E
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Subject: Lifter noise (?) 95 3.9