TM-9-2320-279-20-1

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 1 OF 3

TM-9-2320-279-20-1 - Page 252 of 985

TM 9-2320-279-20-1

Troubleshooting Malfunctions (Cont)

Table 2-9. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

TRANSMISSION (CONT)

2. TRANSMISSION NOISY.

Step 1. Check fluid level in transmission (LO 9-2320-279-12).

Add fluid as required (LO 9-2320-279-12).

Step 2. If transmission is still noisy, notify the supervisor.

3. WILL NOT SHIFT INTO GEAR, SLIPS OUT OF GEAR, OR OPERATES ABNORMALLY.

Step 1. Check control, control cable, and linkage from cab back to transmission for damage or

looseness.

Adjust as required (para 8-2) or replace cable (para 8-2) or control (para 8-3).

Step 2. Check fluid in transmission (LO 9-2320-279-12).

Add or drain fluid (LO 9-2320-279-12).

Step 3. If problem has not been solved, notify the supervisor.

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