Table 2-1. Mechanical Troubleshooting (Cont)
TEST OR INSPECTION
Remove transmission. (See paragraph 5-1 2) Inspect transmission case for
porosity and damage.
Replace transmission case if porous or damaged,
52. NOISY IN PARK, NEUTRAL, AND ALL DRIVING RANGES
Remove torque converter cover. (See paragraph 5-1 2) Check flywheel-to-torque
converter bolts for looseness.
Tighten bolts to 50 Ib.-ft. (68 N.m) if loose.
There Is no approved way to check transmission oil filter for blockage or
Remove transmission oil filter (see TM 9-2320-289-20) and check for water in
hydraulic fluid. Inspect intake pipe and O ring for improper positioning and
Replace hydraulic fluid and transmission oil filter if any water is present,
Replace intake pipe and O ring if damaged, Replace transmission oil filter if
blockage or restrictions are suspected,
Remove torque converter and inspect for damage, (See paragraph 5-1 2)
Remove, disassemble, clean,
and inspect transmission oil pump. (See
paragraph 5-1 5)
53. NOISY DURING ACCELERATION IN ALL DRIVING RANGES
Check engine mounts, insulators, and attaching hardware for looseness and
Replace damaged components. (See paragraph 3-3) Tighten loose engine
mount-to-insulator locknuts to 55 lb. -ft. (75 N.m), Tighten loose engine
mount-to-engine bolts to 35 lb.-ft, (47 N.m).
Check to see if transmission oil cooler lines are rubbing underbody.
Position transmission oil cooler lines clear of underbody if rubbing.
54. NOISY WITH TRANSMISSION GEARSHIFT SELECTOR IN 1, 2, AND/OR REVERSE
Remove, disassemble, clean, and inspect transmission intermediate clutch, front
internal gear ring, and gear units. (See paragraph 5-1 9)
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