TM 9-2320-272-24-1
3-134. TRANSMISSION DIPSTICK TUBE AND DIPSTICK MAINTENANCE
THIS TASK COVERS:
c. Installation
a. Removal
b. Inspection
INITIAL SETUP:
APPLICABLE MODELS:
REFERENCES (TM)
All
LO 9-2320-272-12
TM 9-2320-272-10
TOOLS
TM 9-2320-272-24P
General mechanic's tool kit (Appendix E, Item 1)
EQUIPMENT CONDITION
Torque wrench (Appendix E, Item 144)
l Parking brake set (TM 9-2320-272-10).
MATERIALS/PARTS
l Hood raised and secured (TM 9-2320-272-10).
Transmission oil drained (para. 3-133).
Tiedown strap (Appendix D, Item 690)
l
Rags (Appendix C, Item 58)
a. Removal
CAUTION
Wipe area around dipstick tube before removal to prevent entry of
dirt. Damage may occur if dirt or dust enters transmission.
NOTE
Perform steps 1 through 3 for M939/A1 model vehicles only.
1.
Open access door (3) in cab floor and remove transmission oil dipstick (1) from transmission oil
dipstick tube (2).
2.
Remove screw (7), washer (6), clip (5), and dipstick tube (2) from flywheel housing (4).
3.
Remove tiedown strap (9) from dipstick tube (2) and tube (8). Discard tiedown strap (9).
NOTE
Perform steps 4 and 5 for M939A2 model vehicles only.
4.
Remove transmission oil dipstick (1) from transmission oil dipstick tube (2).
5.
Remove screw (7), clip (5), and dipstick tube (2) from flywheel housing (4).
6.
Loosen flare nut (10) and remove dipstick tube (2) from transmission oil pan (12).
b. Inspection
1.
Inspect dipstick tube (2) for cracks, blockage, weld damage at clip (5), and damage to flared end, If
blocked, remove obstruction. If damaged, replace.
2.
Inspect flare nut (10) for cross-threading and burrs. If cross-threaded or burred, replace dipstick
tube (2).
3.
Inspect oil pan dipstick tube port (11) for cracked or broken welds, burrs, and cross-threading. If
cracked or broken, replace oil pan (12). If burred or cross-threaded, repair threads.
c. Intstallation
1.
Install dipstick tube (2) on transmission oil pan (12) with flare nut (10). Tighten flare nut (10)
10-25 lb-ft (14-34 Nm).
NOTE
Perform steps 2 and 3 for M939A2 model vehicles only.
2.
Install dipstick tube (2) on flywheel housing (4) with clip (5) and screw (7).
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