TM 9-2320-387-24-2
Table 14-1. Mechanical Doubleshooting
(Cont’d).
I MALFUNCTION
TEST OR INSPECTION
I
step 5.
Check rear servo and accumulator piston for damaged oil seal rings, pistons, and band
apply pin. Check for correct length of band apply pin. Repair rear servo and accumulator
(para. 28-16) if damaged.
Step 6.
Check center support and oil seal rings for damage and wear. Repair center support
(para. 28-9) if damaged or worn.
Step 7.
Check direct clutch for damage and burned clutch plates. Repair direct clutch
(para. 28-10) if damaged.
Step 8.
Check rear band for damage and proper installation. Replace band (para. 28-7) if
damaged.
step 9.
Check forward clutch for damage and binding (will not release). Repair forward clutch
(para. 28-11) if damaged.
END OF TESTING!
31.
VEHICLE MOVES IN NEUTRAL
step 1.
Check manual valve for damage and proper installation. Replace manual valve
(para. 28-3) if damaged.
step 2.
Check oil pump for leaking oil passages and damage. Repair oil pump (para. 28-18) if
damaged.
step 3.
Check forward clutch for damage and burned clutch plates. Repair forward clutch
(para. 28-U) if damaged.
END OF TESTING!
32.
VEHICLE MOVES IN PARK
Check parking lock paw1 and actuator assembly for damage and proper installation. Replace
(para. 28-6) if damaged.
END OF TESTING!
33.
TRANSMISSION
NOISY
NOTE
Check engine accessory drive components: water pump, power
steering pump, alternator, and air conditioner compressor (if
installed) for the source of noise before checking transmission.
a. Noise in Neutral and All Driving Ranges
step 1.
Check torque converter for loose mounting capscrews and damage. Tighten capscrews or
replace torque converter (para. 28-4) if damaged.
Step 2.
Check flywheel for damage. Replace flywheel (TM 9-2815-237-34) if damaged.
Step 3.
Check oil pump for obstructed oil passages, damage, and proper assembly. Repair oil
pump (para. 28-18) if damaged.
14-14
