i have a knock in the lower end of my engin all fluids are good and it only does it when i rev it what may be causing this
Jan 29, 2011 at 8:01 AM
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MHPAUTOS
✓Experienced Mechanic
31,937 POSTS
I would say that this is a bearing failure, get the oil pressure tested first, if you do not get this checked you run the chance of destroying the engine.