TM 9-2320-260-34-1
Table 2-1. Mechanical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
32. VIBRATION DURING CLUTCH ENGAGEMENT
CAUTION
Vibration during clutch engagement indicates a warped and/or
burned pressure plate and flywheel. When this condition is evi-
dent, immediate vehicle clutch inspection is required. Prolonged
vehicle operation may result in permanent damage of flywheel and
damage to transmission.
a. Inspect pressure plate and clutch disc (para. 4-2). Replace pressure plate and clutch disc
b. Verify pilot bearing condition. Replace pilot bearing if defective (para. 4-2).
c. Remove pressure plate and clutch disc (para. 4-2). Verify flywheel condition. Replace
END OF TESTING!
TRANSMISSION
33. ENGINE STALLS WHEN CLUTCH IS
ENGAGED AND TRANSMISSION IS IN
GEAR
Verify engine operation (malfunctions 6, 10, 11, 21, and 23).
END OF TESTING!
34. VEHICLE WILL NOT MOVE WHEN CLUTCH IS
ENGAGED AND
TRANSMISSION IS IN GEAR
END OF TESTING!
35. EXCESSIVE NOISE DURING SHIFTING
Step 1. Check clutch condition (malfunctions 30 through 32). Perform steps 2 and 3 if noise is not
from clutch system.
Repair or replace transmission if defective (para. 8-4 or 8-6).
Step 3. Check transfer case condition (malfunctions 38 through 42).
END OF TESTING!
36. TRANSMISSION OIL LEAKAGE
Check and verify approximate location of oil leak(s).
b. Replace PTO gasket if leaking (para. 16-40).
c. Replace transmission counter shaft bearing cover gasket if leaking (para. 8-6).
d. Replace transmission bearing cap gasket if leaking (para. 8-6).