//free\\ | 162fmj Engine Service Manual

Loosen the locknut with a 10mm wrench, turn the adjuster square-head pin until you feel a slight drag on the feeler gauge, and tighten the locknut while holding the pin steady.

: Conduct a compression test. If wet compression test yields significantly higher PSI than a dry test, replace the piston rings and hone the cylinder. Issue 3: Loud Metallic Tapping Noise Cause : Excessive valve clearance or worn pushrods. 162fmj Engine Service Manual

Remove the valve covers and the ignition timing plug on the left cover. Loosen the locknut with a 10mm wrench, turn