TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
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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.