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 15. Too much valve lash (cont'd)
Cause
Correction
Valve lifter worn.
If there is too much wear, install new valve
lifters. Make adjustment of valve clearance.
Bridges for valves worn.
Make an adjustment or replacement as
necessary.
Broken or worn valve lifters.
Clean engine thoroughly. Install new valve
lifters.
Check camshaft for wear.
Check for. Free movement of valves or bent
valve stem. Make adjustment of valve
clearance.
Worn cams on camshaft.
Check valve clearance. Check for free
movement of valves or bent valve stems. Install
a new camshaft. Install new valve lifters. Make
adjustment of valve clearance.
16. Little or no valve clearance
Cause
Correction
Worn valve seat or face of valve.
Reconditioning of cylinder head is needed. Make
adjustment of valve clearance.
17. Valve rotocoil or spring lock is free
Cause
Correction
Broken locks.
Broken locks can cause the valve to slide into
the cylinder. This will cause much damage.
Broken valve spring(s).
Install new valve spring(s).
Broken valve.
Replace valve and other damaged parts.
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