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 462 of 1313
EXCESSIVE NOISE DURING SHIFTING - Continued
STEP
2.
IS TRANSMISSION FLUID VISCOSITY CORRECT?
Check transmission fluid viscosity (Volume 5, WP
0820).
T0497DAA
ACCESS
DOOR
DIPSTICK
HANDLE
Figure 2.
Transmission Dipstick.
CONDITION/INDICATION
IS TRANSMISSION FLUID VISCOSITY CORRECT?
DECISION
YES - Go to Step (3).
NO - Perform transmission oil service (Volume 3, WP
0362). Go to Step (5) to verify problem is solved.
TM 9-2320-272-23-1
0031
0031-3
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