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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 245 (Automatic Transmission - 8L45 (M5N) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Control Valve Body Assembly Assemble >> Single Use Fasteners and Components

Single Use Fasteners and Components

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  1. GM5483711Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Fluid Pump Locating Pin (1) - Install [2x]

  2. Automatic Transmission Fluid Pump Passage Sleeve (2) - Install
  3. Automatic Transmission Fluid Pump Drive Shaft Bushing (3) - Install
  4. Automatic Transmission Fluid Pump Seal (4) - Install NEW
    5. NOTE:

    Install the seal onto the pump as shown. "Side Up", indicated by the arrow, should face away from the pump assembly.

  5. Automatic Transmission Fluid Pump Seal (5) - Install NEW
  6. Automatic Transmission Fluid Pump (6) - Install
    7. CAUTION:

    Refer to Fastener Caution .

    NOTE:

    There are two different grade transmission fluid pump bolts. The bolt grade can be identified by looking at the top of the bolt head.

  7. Automatic Transmission Fluid Pump Bolt (7) - Install and tighten in sequence [5x] - Fastener Specifications
  8. GM5483714Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Ball Check Valve Grease Caution .

    Install the ball check valves in the correct location in the control valve solenoid body. Ball Check Valve Locations

  9. Cooler Flow Blowoff Ball Valve (1) - Install [4 or 5x] - Model Dependant
    10. CAUTION:

    Do not use the old spacer plate. Install a NEW spacer plate. Reusing an old spacer plate may cause internal transmission leaks and transmission damage.

  10. Control Valve Body Spacer Plate (2) - Install NEW
  11. Control Valve Body Spacer Plate Retainer (3) - Install NEW [2x]
  12. GM5483715Courtesy of GENERAL MOTORS COMPANY

    Cooler Flow Blowoff Ball Valve (1) - Install

  13. Control Valve Body Ball Check Valve (2) - Install Without Surge Accumulator: [1x] With Surge Accumulator: [3x]
  14. Control Valve Solenoid Body (3) - Install
  15. Valve Body Bolt (4) - Install and hand tighten [8x]
  16. GM5483716Courtesy of GENERAL MOTORS COMPANY

    Cooler Flow Blowoff Ball Valve (1) - Install [3x]

  17. Signal Accumulator Piston (2) - Install [7x]
  18. Signal Accumulator Piston Spring (3) - Install [7x]
  19. GM5483718Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Do not use the old spacer plate. Install a NEW spacer plate. Reusing an old spacer plate may cause internal transmission leaks and transmission damage.

    Control Valve Channel Plate Spacer Plate (1) - Install NEW

  20. Control Valve Channel Plate (2) - Install
  21. Control Valve Channel Plate Bolt (3) - Install and hand tighten [19x]
  22. GM5483745Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Bolt torque sequencing is critical to the proper function of the control solenoid valve assembly. Failure to follow the required sequencing may result in transmission malfunction.

    Valve Body Bolt (1) - Tighten in sequence [8x] - Fastener Specifications

  23. Control Valve Channel Plate Bolt (2) - Tighten in sequence [19x] - Fastener Specifications
  24. GM3681787Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Retainer (2) - Install NEW

  25. Automatic Transmission Control Wiring Harness (1) - Install
  26. Connect the wiring harness connectors.
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