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Control Valve Body: Installation

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  1. Install the 8 checkballs (9 checkballs for some models) into the control valve body.
    • The checkball marked as number 2, is used on RCP, RDP, ZJP and ZLP models only.
    • To hold the checkballs in place, use the Transjel(R) Lubricant (J-36850).
  2. Install the PWM screen into the control valve body. See Fig 1 .
  3. Install a new manual 2-1 band servo piston seal (2) onto the manual 2-1 band servo piston (3). See Figure .
  4. Install the manual 2-1 band servo piston pin (1) into the manual 2-1 band servo piston (3). See Figure .
  5. Install the manual 2-1 band servo piston pin retainer ring (4). See Figure .
  6. Install the manual 2-1 band servo piston cushion spring (2). See Figure .
    CAUTION: Make certain that the tapered end of the manual 2-1 band servo piston pin contacts the manual 2-1 band.
  7. Install the manual 2-1 band servo piston assembly (1).
  8. Install the manual valve (1) into the control valve body. See Figure .
  9. To aid in alignment and assembly, install tool Guide Pins (J-25025).
  10. Install the control valve body gasket (6). See Fig 1 .
  11. Install the control valve body assembly (5). Attach the manual valve to the detent lever while installing the control valve body assembly.
  12. Install the transmission fluid pressure manual valve position switch (2).
  13. Install the transmission fluid pressure manual valve position switch bolts (1) finger tight.
  14. Tighten the bolts in the order shown. See Fig 2 . Tighten to specification. See TORQUE SPECIFICATIONS  .
  15. Remove the guide pins.
  16. Install the manual shaft detent roller and spring assembly (3) and bolts. See Figure .
  17. Install the two wiring harness clips (1) and bolts (2).
  18. Install the wiring harness clip (1) and bolts (2).
  19. Install the lube oil pipe (5) with the short end into the control valve body.
  20. Install the lube oil pipe retainer (7) and bolt (6).
  21. Install the control valve body bolts. Tighten the bolts in the order shown. Tighten to specification. See TORQUE SPECIFICATIONS  .
  22. Install the remaining control valve body bolts. Tighten the remaining bolts specification. See TORQUE SPECIFICATIONS  .
  23. Connect the internal wiring harness to the valve body electrical components.
  24. Install the oil pan, gasket and filter. See DRAINING & REFILLING  under LUBRICATION.
  25. Lower the vehicle.
  26. Fill the transmission to the proper level with appropriate transmission fluid. See RECOMMENDED FLUIDS  and FLUID CAPACITIES  under LUBRICATION.
Fig 1: Installing PWM Screen Into Control Valve Body
G00220022Courtesy of GENERAL MOTORS CORP.
Fig 2: Tightening TFP Manual Valve Position Switch
G00220024Courtesy of GENERAL MOTORS CORP.
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