Quote:
Originally Posted by Grubby
No evidence of contact with valve covers.
It is very hard to tell if the sound is lifter lash or something else in the valve train. I suspect a loose rocker arm would sound identical to excessive rocker clearance.
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It's a little messy, but idling the car with a cover off and carefully touching your mechanic's stethoscope to each rocker arm will quickly tell you which one(s) are creating the noise.