TM-9-2320-361-24-1
2-1/2 TON, 6X6, M44A2 SERIES TRUCKS
TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE PART 1 OF 2
AUGUST 2006
TM-9-2320-361-24-1 - Page 148 of 1176
TM 9-2320-361-24-1
0008 00
0008 00-20
MECHANICAL SYSTEMS TROUBLESHOOTING - DIRECT SUPPORT (Contd)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. CLUTCH PEDAL WILL
NOT TRAVEL OR
DEPRESS
Check clutch release bearing and
yoke condition. Remove release
bearing and inspect bearing and
yoke (WP 0131 00 and WP 0049 00).
1. If transmission housing pivot is
damaged, repair (WP 0450 00) or
replace (WP 0131 00 and
WP 0132 00).
2. If release bearing is defective,
replace (WP 0049 00).
3. If transmission yoke is defective,
replace (WP 0131 00 and
WP 0132 00).
Table 4. Clutch System Troubleshooting Procedures (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. TRANSMISSION
NOISY
1. Check clutch condition
WP 0008 00, table 4,
malfunction 2, step 1.
2. Remove transmission and inspect
(WP 0131 00).
3. Check transfer case condition.
Replace defective parts.
If transmission is defective, repair
(WP 0450 00) or replace
(WP 0131 00 and WP 0132 00).
See WP 0008 00, table 6,
malfunctions 4 and 5.
2. TRANSMISSION
LEAKS OIL
Check and verify approximate
location of oil leak(s).
1. If transmission top cover gasket is
leaking, replace gasket
(WP 0450 00).
2. If transmission PTO gasket is
leaking, replace gasket in vehicle
(WP 0349 00).
3. If transmission countershaft rear
bearing cover gasket is leaking,
replace transmission
(WP 0131 00 and WP 0132 00).
4. If transmission rear companion
flange oil seal is leaking, replace
transmission (WP 0131 00 and
WP 0132 00).
5. If transmission bearing cap gasket
is leaking, replace transmission
(WP 0131 00 and WP 0132 00).
3. TRANSMISSION
GRINDS AND/OR
POPS OUT OF GEAR
DURING SHIFTING
Remove transmission top cover
(WP 0450 00) exposing shift forks
and synchronizers.
1. If any shift fork position is
incorrect, adjust (WP 0450 00).
2. If synchronizers are damaged or
defective, replace transmission
(WP 0131 00 and WP 0132 00).
Table 5. Transmission Troubleshooting Procedures.
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