Noisy Valve Train Parts, Possibly at Low Mileage

05-86101 Noisy Valve Train Parts, Possibly at Low Engine 102.983 10/86
Mileage

Cause:
The corners on top of the cam lobes are rounded off, and the valve tappets show a spherical depression on the cam contact area.

Remedy:
Replace camshaft and valve tappets. Check valve clearance and adjust as necessary.