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 471 of 1313
TRANSMISSION OIL LEAKING - Continued
STEP
1.
IS THE TRANSMISSION OIL PAN LEAKING OIL?
Visually inspect for loose or damaged drain plug or mounting bolts, gasket damage, dipstick tube
connection or transmission housing leaks.
T0500DAA
Figure 1.
Transmission Oil Pan.
CONDITION/INDICATION
IS THE TRANSMISSION OIL PAN LEAKING OIL?
DECISION
YES - Oil pan drain plug leaking. Tighten oil pan drain plug (Volume 3, WP
0362). Go to Step (3) to verify problem
is solved.
YES - Leaks at oil pan mounting bolts. Tighten oil pan mounting bolts (Volume 3, WP
0377). Go to Step (3) to
verify problem is solved.
YES - Oil pan gasket leaking. Replace oil pan gasket (Volume 3, WP
0377). Go to Step (3) to verify problem is
solved.
YES - Oil dipstick tube leaking. Tighten dipstick tube connection (Volume 3, WP
0363). Go to Step (3) to verify
problem is solved.
YES - Transmission housing leaking. Notify supervisor. Action may not be possible at this level of maintenance.
NO - Go to Step (2).
TM 9-2320-272-23-1
0033
0033-2
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