TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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TM 9-2320-280-34 7-6. TRANSMISSION/TRANSFER CASE ASSEMBLY REMOVAL (3L80) (Cont’d) NOTE The following maintenance procedure applies to vehicles with 3L80 transmissions. Refer to para 7-8 for 4L80-E transmission removal. Removal WARNING Allow transmission/transfer case to cool before performing this task. Failure to do this may cause injury. CAUTION Cover or plug all open lines and connections immediately after disconnection to prevent contamination. Remove all plugs prior to connection. 1. Raise and support rear of vehicle. NOTE •Have drainage container ready to catch fluid. •Tag hoses for aid in installation. 2. Loosen two hose clamps (4) and disconnect hoses (3) from cooler lines (5). 3. Disconnect main vent line (2) from transmission/transfer case vent line (1). 4. Remove capscrew (7), clip (8), modulator (6), and O-ring seal (10) from transmission (9). Discard O-ring seal (10). 7-7