This task covers:
Accumulator Housing Cleaning
Control Valve Inspection
Accumulator Housing Disassembly
Control Valve Assembly
Control Valve Disassembly
Accumulator Housing Inspection
Control Valve Cleaning
Accumulator Housing Assembly
M997A2, M1025A2, M1035A2,
M1043A2, M1045A2, M1097A2, M1123
Transmission disassembled into
General mechanic's tool kit:
Two preformed packings
Do not use a honing stone, fine sandpaper, or crocus cloth to clean
a valve. Use micro fine lapping compound 900 grit (J384-59).
Work area should be well-ventilated, clean, and free from blowing
dirt and dust.
a. Accumulator Housing Cleaning
Clean control valve assembly (8) and accumulator housing (2) thoroughly in solvent.
Air dry control valve assembly (8).
b. Accumulator Housing Disassembly
Remove six capscrews (1) from accumulator housing (2) and control valve assembly (8).
Remove accumulator housing (2), gasket (4), and springs (3) and (9) from control valve
assembly (8). Discard gasket (4).
Remove gasket (5), spacer plate (6), and gasket (7) from control valve assembly (8). Discard
gaskets (7) and (5).
Remove snapring (10) from pin (16) on the outside housing, and remove fourth clutch piston
assembly (15) from housing (2).
Perform step 5 for 1995-1996 transmissions only.
Remove snapring (17) and pin (16) from fourth clutch piston (15).
Remove preformed packing (14) from fourth clutch piston (15). Discard preformed packing (14).
Remove third clutch piston (12) from housing (2).
Remove preformed packings (11) and (13) from third clutch piston (12). Discard preformed
packings (11) and (13).