TM 9-6115-729-24
0011
TROUBLESHOOTING FAILURES WITHOUT FAULT CODES - Continued
MALFUNCTION
Valve Guides Defective.
CORRECTIVE ACTION
STEP 1.
If valve guide wear is suspected, replace cylinder head assembly (WP 0116).
STEP 2.
Verify the problem has been resolved.
MALFUNCTION
Piston Rings Defective/Excessive Blow-by.
CORRECTIVE ACTION
STEP 1.
If piston ring wear or damage is suspected, replace the engine (WP 0098).
STEP 2.
Verify the problem has been resolved.
SYMPTOM
41.
Excessive Valve Lash.
MALFUNCTION
Lack of Lubrication to Rocker Shaft Assembly.
CORRECTIVE ACTION
Remove valve cover (WP 0101) and inspect for adequate engine oil at rocker shaft assembly
and valves. If rocker shaft assembly or valves lack engine oil, troubleshoot low engine oil
pressure (SYMPTOM 45).
MALFUNCTION
Valve Lash Adjustment Incorrect.
CORRECTIVE ACTION
STEP 1.
Visually inspect rocker shaft and valve components for excessive wear. Replace
worn components as required (WP 0115).
STEP 2.
If rocker shaft and valve components are not excessively worn, adjust valve lash
STEP 3.
Verify the problem has been resolved.
0011-54
