TM-9-2320-272-23-3

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 3 OF 5

SEPTEMBER 2012
TM-9-2320-272-23-3

  TM-9-2320-272-23-3 - Page 227 of 1469

OIL FILTER REMOVAL
NOTE
Removal of transmission oil filter is basically the same for M939, M939A1, and M939A2 series
vehicles. This procedure covers M939 and M939A1 series vehicles only.
1.
Open access door (Figure 2, Item 1) in cab floor.
CAUTION
Wipe area around dipstick tube before removal to prevent entry of dirt. Damage may occur
if dirt or dust enters transmission.
2.
Remove screw (Figure 2, Item 5) and washer (Figure 2, Item 4) from transmission (Figure 2, Item 2).
3.
Remove tiedown strap (Figure 2, Item 7) from dipstick tube (Figure 2, Item 3) and tube (Figure 2, Item 6).
Discard tiedown strap.
4.
Loosen flare nut (Figure 2, Item 8) and remove dipstick tube (Figure 2, Item 3) from transmission oil pan
(Figure
2, Item 12).
5.
Remove 21 screws (Figure 2, Item 16) from transmission oil pan (Figure 2, Item 12).
6.
Remove oil pan (Figure 2, Item 12) and oil pan gasket (Figure 2, Item 11) from transmission
(Figure
2,
Item
2). Discard gasket.
7.
Remove screw (Figure 2, Item 17) and oil filter assembly (Figure 2, Item 18) from transmission
(Figure
2,
Item
2).
8.
Remove oil filter assembly (Figure 2, Item 18) from suction tube (Figure 2, Item 10). Discard oil filter assembly.
WARNING
Solvent cleaning compound is flammable and will not be used near open flame. Use only in
well-ventilated areas. Failure to comply may result in injury or death to personnel.
9.
Remove suction tube (Figure 2, Item 10) and rubber o-ring (Figure 2, Item 9) from transmission
(Figure
2,
Item 2). Discard o-ring and clean suction tube thoroughly with solvent cleaning compound.
10.
Remove transmission oil cooler filter (WP
0381).
11.
Disconnect transmission oil cooler hoses (Figure 2, Items 13 and 15) from transmission oil filter base
(Figure
2, Item 14).
CAUTION
Compressed air source will not exceed 60 psi (41 kPa). Doing so may cause damage to
internal components of the transmission.
12.
Using compressed air, drain remaining oil from transmission oil cooler hoses (Figure 2, Items 13 and 15).
13.
Connect transmission oil cooler hoses (Figure 2, Items 13 and 15) to transmission oil filter base
(Figure
2,
Item
14).
14.
Install transmission oil cooler filter (WP
0381).
TM 9-2320-272-23-3
0362
0362-4


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