TRANSMISSION

TM 9-2320-289-34 Table 2-1, Mechanical Troubleshooting (Con’t) MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION TRANSMISSION 51. EXCESSIVE OIL LOSS WARNING Dry cleaning solvent P-D-680 is toxic and flammable. Always wear protective goggles and gloves and us. only in a well-ventilated l rea. Avoid contact with skin, l yes, and clothes l nd DO NOT breathe vapors. DO NOT us. near open flame or l xcesslvo heat. The solvent’s flash point Is 100°F-1 38°F (38°C-S9°C). If you became dizzy while using cleaning solvent, immediately get fresh air and medical help. if solvent contacts eyes, immediately wash your eyes with water and get medical aid. Step 1. Step 2. Step 3. Thoroughly clean exterior of transmission and transfer case with dry cleaning solvent (Item 23, Appendix B), and allow to air dry. Operate truck for about 10 minutes, then shut off. Inspect transmission case and transfer case for leakage. If hydraulic fluid is leaking from anywhere except front of transmission, inspect components for damage. Replace any damaged components, gaskets, or seals. If hydraulic fluid is leaking from front of transmission, perform step 2. Remove torque converter cover. Thoroughly clean and dry torque converter and transmission oil pump. Chock rear wheels. Raise front of truck and support on jack stands. Have assistant start engine in “ P“ (Park). Observe torque converter and transmission oil pump for area of leakage. Replace any leaking components. Check for loose transmission case-to-transfer case adapter bolts. Tighten bolts to 30 Ib.-ft. (41 N.m) if loose. NOTE Thor. is no approved way to chock transmission oil filter for blockage or restrictions. Step 4. Remove transmission oil filter (see TM 9-2320-289-20) and check for water in hydraulic fluid. Inspect intake pipe and “O” ring for improper positioning and damage. Replace hydraulic fluid and transmission oil filter if any water is present. Replace intake pipe and “ O“ ring if damaged, Replace transmission oil filter if blockage or restrictions are suspected. 2 - 3 1