TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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1. Disconnect wiring harness (6) from PWM solenoid (7), pressure control solenoid (8), transmission fluid pressure switch (2), 2-3 shift solenoid (5), 1-2 shift solenoid (4), and connector (3). NOTE Capscrews are different lengths. Record location of each capscrew for installation. 2. Remove three capscrews (9), clips (10), and harness (6) from control valve assembly (12). 3. Remove six capscrews (18) and transmission fluid pressure switch (19) from control valve assembly (12). 4. Remove capscrew (14), clip (13), and lube pipe (11) from transmission (1) and control valve assembly (12). 5. Remove two capscrews (15) and spring and roller assembly (20) from control valve assembly (12). 6. Remove two capscrews (15), fluid lever indicator stop (17), and lube pipe retainer (16) from control valve assembly (12). 7. Remove eight capscrews (23) (1995 transmission) or fourteen capscrews (23) (1996 transmission) and control valve body assembly (12) from transmission (1). CAUTION Do not use magnets or any magnetized tools to remove checkballs. Some checkballs are metal, and if magnetized, will pick up debris from oil and cause malfunction of transmission. NOTE Record locations of checkballs for assembly. 8. Remove eight checkballs (21) from transmission (1). 9. Remove screen (22) from transmission (1). 17-14. TRANSMISSION DISASSEMBLY INTO SUBASSEMBLIES (4L80-E) (Cont’d) e. Control Valve Assembly (1995-1996) TM 9-2320-280-34 17-66 Change 1