TM 9-2320-387-24-2
TROUBLESHOOTING SYMPTOM INDEX (Co&d)
MECHANICAL
MALFUNCTION
TROUBLESHOOTING
PROCEDURE
PAGE
16.
17.
18.
;::
21.
22.
23.
z*
26:
27.
28.
29.
30.
31.
Z:
34.
35.
36.
37.
38.
39.
40.
41.
42.
TRANSMISSION
Transmission Control Module (TCM) codes are 59,71,75,79,81,82,83.
...
No l-2 upshift or delayed upshift. ..............
; ..............
l-2 shift soft or slips .......................................
l-2 shift firm or rough. .....................................
No 2-3 upshift or delayed upshift. .............................
2-3 shift soft or slips .......................................
2-3 shift firm or rough ......................................
No 3-4 upshift or delayed upshift. .............................
3-4 shift soft or slips .......................................
3-4 shift firm or rough. .....................................
No engine braking - third gear. ...............................
No engine braking - second gear. ..............................
No engine braking . first gear ................................
No drive or slips in drive. ...................................
No reverse or slips in reverse. ................................
Vehicle moves in neutral ....................................
Vehicle moves in park. .....................................
Transmission noisy. .......................................
TRANSFER CASE
Transfer case difficult to shift ................................
Transfer case noisy. .......................................
DIFFERENTIAL
Differential noisy .........................................
BRAKES
Noisy brakes ............................................
Brake pedal pulsation. .....................................
Erratic braking action. .....................................
WHEELS, SUSPENSION, AND STEERING
Poor directional stability or uneven tire wear .....................
Noisy suspension .........................................
Hard steering or excessive play in steering. ......................
14-7
14-9
14-9
14-10
14-10
14-10
14-11
14-11
14-11
14-12
14-12
14-13
14-13
14-13
14-13
14-14
14-14
14-14
14-15
14-15
14-15
14-15
14-16
14-16
14-16
14-16
14-16
14-2