TM-9-2320-272-23-1
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 1 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-1 - Page 271 of 1313
GENERAL TROUBLESHOOTING INDEX - Continued
Malfunction/Symptom
Troubleshooting Procedure
2.
Low Transmission Oil Pressure.
........................................................................................................
WP
0032
3.
Transmission Oil Leaking.
.................................................................................................................
WP
0033
4.
No Response To Shift Lever Movement.
..........................................................................................
WP
0034
5.
Rough Shifting.
..................................................................................................................................
WP
0035
6.
Transmission Overheats As Indicated By Transmission
Temperature Gauge.
.........................................................................................................................
WP
0036
7.
Dirt Or Metal Particles In Transmission Oil.
......................................................................................
WP
0037
8.
Oil Thrown From Transmission Dipstick Tube.
.................................................................................
WP
0038
9.
Transmission Oil Dirty, Foamy, And/Or Milky.
...................................................................................
WP
0039
TRANSFER CASE
1.
Hard Shifting Of Transfer Case.
........................................................................................................
WP
0040
2.
Transfer Case Leaking Oil.
...............................................................................................................
WP
0041
3.
Excessive Noise.
...............................................................................................................................
WP
0042
4.
Excessive Vibration.
..........................................................................................................................
WP
0043
DRIVELINE
1.
Excessive Propeller And Driveshaft Noise Or Vibration.
...................................................................
WP
0044
2.
Continuous Axle Or Wheel Noise.
.....................................................................................................
WP
0045
FRAME AND CHASSIS
1.
Towing Pintle Does Not Latch or lock.
..............................................................................................
WP
0046
2.
Pintle Hook Does Not Turn.
..............................................................................................................
WP
0047
3.
Excessively Loose Lifting Shackle.
...................................................................................................
WP
0048
4.
Loose Spare Tire Carrier.
..................................................................................................................
WP
0049
STEERING/TIRE
1.
Uneven Tire Wear.
............................................................................................................................
WP
0050
2.
Wheel Shimmy Or Wobble.
...............................................................................................................
WP
0051
3.
Hard Steering.
...................................................................................................................................
WP
0052
4.
Vehicle Wanders Or Pulls To One Side.
...........................................................................................
WP
0053
5.
Excessive Play In Steering Wheel.
...................................................................................................
WP
0054
6.
Shimmy.
............................................................................................................................................
WP
0055
7.
Continuous Wandering Or Swaying (Poor Control).
..........................................................................
WP
0056
TM 9-2320-272-23-1
0005
0005-2
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