Control Valve Body Disassemble

Tools Required 

J 33163 Valve Tray Set

Fig 1: Identifying Reverse Signal Pipe & TFP Switch Assembly Bolts
Courtesy of GENERAL MOTORS COMPANY
1. Position the control valve module on the work table so that the main valve body module is facing up.
2. Remove six bolts (1) and one bolt (2) retaining the reverse signal tube and pressure switch assembly to the main valve body.
Fig 2: Locating Reverse Signal Pipe & TFP Switch
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3. Remove reverse signal tube (2) from main valve body (3).
4. Remove pressure switch assembly (1) from main valve body (3).
Fig 3: View Of TCC PWM Solenoid Components
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5. Remove F trim solenoid retainer (1).
6. Remove F trim solenoid (7), sleeve (4), valve (3), and spring (2).
7. Remove O-rings (5) and (6) from F trim solenoid (7).
Fig 4: View Of Shift Solenoid D O-rings
Courtesy of GENERAL MOTORS COMPANY
8. Remove D ON/OFF shift solenoid retainer (1).
9. Remove D ON/OFF shift solenoid (4).
10. Remove O-rings (2) and (3) from D ON/OFF shift solenoid (4).
Fig 5: Identifying Shift Solenoid E
Courtesy of GENERAL MOTORS COMPANY
11. Remove E ON/OFF shift solenoid retainer (1).
12. Remove E ON/OFF shift solenoid (4).
13. Remove O-rings (2) and (3) from E ON/OFF shift solenoid (4).
Fig 6: Locating Pressure Control Valve Retaining Bracket Bolts
Courtesy of GENERAL MOTORS COMPANY
14. Remove three bolts (1) that retain A/B solenoid bracket (2) to main valve body (3).
Fig 7: View Of Control Valve Assembly Components
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15. Remove A/B solenoid bracket (1), two accumulator springs (2), and two accumulator plugs (3).
16. Remove A trim solenoid (15), valve (13), spring (12), if present, valve (11), and spring (10).
17. Remove B trim solenoid (9), valve (7), valve (6), and spring (5).
18. Remove O-ring (14) from A trim solenoid (15).
19. Remove O-ring (8) from B trim solenoid (9).
Fig 8: Locating Shift Solenoid C
Courtesy of GENERAL MOTORS COMPANY
20. Position the control valve module on the work table so that shift valve body (1) is facing up.
21. Remove C ON/OFF shift solenoid retainer (2).
22. Remove C ON/OFF shift solenoid (5).
23. Remove O-rings (3) and (4) from C ON/OFF shift solenoid (5).
Fig 9: View Of Control Valve Assembly Mounting Bolts
Courtesy of GENERAL MOTORS COMPANY
24. Position the control valve module on the work table so that the main valve body is facing up. Reinstall four bolts (1) so that the bolts are partially threaded into the shift valve body and protrude from the main valve body.
25. Remove fourteen bolts (1) retaining the shift valve body and the main valve body together.
26. Position the control valve module on edge so that the top and bottom are vertical.
27. Gently tap the bolts until the module separates.
Fig 10: Identifying Main Valve & Shift Valve Body Separator Plate
Courtesy of GENERAL MOTORS COMPANY
28. Position the control valve assembly on the work table so that shift valve body (1) is facing up.
29. Separate shift valve body assembly (1), separator plate (2), and main valve body assembly (4).