TRANSMISSION WILL NOT SHIFT INTO GEAR, SHIFTS OUT OF GEAR, DOES NOT RESPOND TO RANGE SELECTION, OR OPERATES ABNORMALLY. (Cont) -726250244

TM 9-2320-364-34-1

8. TRANSMISSION WILL NOT SHIFT INTO GEAR, SHIFTS OUT OF GEAR, DOES NOT

RESPOND TO RANGE SELECTION, OR OPERATES ABNORMALLY (CONT).

KNOWN INFO

TEST OPTIONS

Unit Troubleshooting tasks

Visual inspection.

Are transmission internal oil

completed.

filter and/or pickup tube and

No ATEC codes.

REASON FOR QUESTION

preformed packing free of

Truck wiring OK.

defects?

Oil level OK.

Restricted, clogged, or

Solenoid wiring harness

damaged internal oil filter, or

assembly OK.

damaged or faulty internal oil

Low main oil pressure OK.

filter pickup tube, or missing,

faulty oil pickup tube preformed

packing may cause

POSSIBLE PROBLEMS

transmission to not shift into

gear, or not respond to range

Internal oil filter faulty.

selected.

Servo unit control valve

Replace internal oil

assembly, front plate

filter (Para 7-4).

assembly, first clutch trimmer

Verify repair, go to

assembly, or shift valve body

Step 4 of this Fault.

assembly leaking or faulty.

Transmission faulty.

YES

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