TM-9-2320-280-34
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
JANUARY 1996
TM-9-2320-280-34 - Page 477 of 1258
TM 9-2320-280-34
7-8.
TRANSMISSION/TRANSFER CASE ASSEMBLY REMOVAL (4L80-E)
This task covers:
Removal
INITIAL SETUP:
Applicable Models
Equipment Condition
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).
Tools
•
Converter housing cover removed (TM 9-2320-
General mechanic's tool kit:280-20).
•
Transmission oil dipstick removed (TM 9-2320-280-20).
automotive (Appendix G, Item 1)
•
Drain transmission fluid (TM 9-2320-280-20).
•
Front propeller shaft removed (TM 9-2320-280-20).
Materials/Parts
Engine/Transmission support sling
General Safety Instructions
(Appendix C.
Fig.
24 through 40) (Optional)
•
Converter must be removed with transmission as an
assembly and transmission must be level.
Personnel Required
•
Do not use hands to free transmission/transfer case
One mechanic
assembly of hang-ups or snags.
One assistant
•
Allow transmission/transfer case to cool before
performing this task.
Manual References
TM 9-2320-280-20
Maintenance Level
TM 9-2320-380-24P
Direct support
NOTE
The following maintenance procedure applies to vehicles with 4L80-E
transmissions.
Refer to para.
7-6 for 3L80 transmission removal.
Removal
WARNING
Allow transmission/transfer case to cool before performing this task.
Failure to do this may cause injury.
CAUTION
Cover or plug all open lines and connections immediately after
disconnection to prevent contamination.
Remove all plugs prior to
connection.
1.
Raise and support rear of vehicle.
NOTE
* Have drainage container ready to catch fluid.
* · Tag hoses for aid in installation.
2.
Loosen two hose clamps (2) and disconnect hoses (1) from cooler lines (3).
3.
Remove cotter pin (4), washer (5), and shift rod and trunnion (8) from relay lever (6).
Discard cotter pin (4).
4.
Remove cotter pin (9) and washer (11) from transfer case shift rod (12).
Disconnect shift rod (12) from
transfer case (10).
Discard cotter pin (9).
7-16
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