Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
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DRCRANKNWRENCH
CAR REPAIR CONTRIBUTOR
3,380 POSTS
I tappets cannot be quieted down by adjsuting them than there are a few things that could be happening.
The cam could be wiped.
The timing belts could be bad
The timing belt tensioner coluld be bad