This task covers:
M997A2, M1025A2, M1035A2,
Engine access cover removed (TM 9-2320-280-20).
M1043A2, M1045A2, M1097A2
Muffler support bracket removed (TM 9-2320-280-20).
Rear propeller shaft removed (TM 9-2320-280-20).
Converter housing cover removed (TM 9-2320-280-20).
General mechanic's tool kit:
Transmission oil dipstick removed (TM 9-2320-280-20).
Drain transmission fluid (TM 9-2320-280-20).
Front propeller shaft removed (TM 9-2320-280-20).
General Safety Instructions
Engine/Transmission support sling
(Appendix C. Fig.
24 through 40) (Optional) Converter must
assembly and transmission must be level.
Do not use hands to free transmission/transfer case
assembly of hang-ups or snags.
Allow transmission/transfer case to cool before per-
forming this task.
The following maintenance procedure applies to vehicles
with 4L80-E transmissions. Refer to para. 7-6 for 3L80
Allow transmission/transfer case to cool before performing this
task. Failure to do this may cause injury.
Cover or plug all open lines and connections immediately after
Raise and support rear of vehicle.
Have drainage container ready to catch fluid.
Tag hoses for aid in installation.
Loosen two hose clamps (2) and disconnect hoses (1) from cooler lines (3).
Remove cotter pin (4), washer (5), and shift rod and trunnion (8) from relay lever (6). Discard
cotter pin (4).
Remove lock pin (9) and washer (11) from transfer case shift rod (12). Disconnect shift rod (12) from
transfer case (10). Discard lock pin (9).