TM 5-3805-261-34
ENGINE TROUBLESHOOTING AND MAINTENANCE PROCEDURES. (cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
h.
CLICKING NOISE IN VALVE COMPARTMENT. (cont)
Step 4.
Check the valves.
If the valves are damaged or defective--replace. Refer to paragraph 3-13.
i.
OIL IN THE COOLING SYSTEM.
Step 1.
Check the core of the transmission oil cooler (Figure 3-2).
Figure 3-2.
If the transmission oil cooler is damaged or defective--replace. Refer to paragraph 5-12.
Step 2.
Check the head gasket.
If the head gasket is damaged or defective--replace. Refer to paragraph 3-9.
j.
MECHANICAL NOISE IN ENGINE.
Step 1.
Check the connecting rod and bearing surface on the crankshaft.
If the connecting rod or bearing surface is damaged or defective--contact General Support.
Step 2.
Check the timing gears.
If the timing gears are damaged or defective--contact General Support.
3-8
