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Home >> Cadillac >> 2019 >> ATS V >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 8L45 (M5N M5T) Or 8L90 (M5U) - Repair Instructions - Off Vehicle >> Repair Instructions - Off Vehicle >> Control Valve Body Assembly Disassemble >> Single Use Fasteners and Components

Single Use Fasteners and Components

  1. GM3681787Courtesy of GENERAL MOTORS COMPANY

    Disconnect the wiring harness connectors.

  2. Automatic Transmission Control Wiring Harness (1) - Remove
  3. Remove and DISCARD the Wiring Harness Retainer (2), they are not reusable.
  4. GM5483676Courtesy of GENERAL MOTORS COMPANY

    Control Valve Channel Plate Bolt (1) - Remove [19x]

  5. Control Valve Channel Plate (2) - Remove
    6. 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.

  6. Control Valve Channel Plate Spacer Plate (3) - Remove and DISCARD
  7. GM5483677Courtesy of GENERAL MOTORS COMPANY

    Signal Accumulator Piston Spring (1) - Remove [7x]

  8. Signal Accumulator Piston (2) - Remove [7x]
    9. NOTE:

    Observe the position of the ball check valves.

  9. Cooler Flow Blowoff Ball Valve (3) - Remove [3x]
  10. GM5483678Courtesy of GENERAL MOTORS COMPANY

    Valve Body Bolt (1) - Remove [8x]

  11. Control Valve Solenoid Body (2) - Remove
    12. NOTE:

    Note the position of the ball check valve.

  12. Control Valve Body Ball Check Valve (3) Without Surge Accumulator: [1x] With Surge Accumulator: - Remove [3x]
    13. NOTE:

    Note the position of the ball check valve.

  13. Cooler Flow Blowoff Ball Valve (4) - Remove
  14. GM5483679Courtesy of GENERAL MOTORS COMPANY

    Control Valve Body Spacer Plate Retainer (1) - Remove and DISCARD [2x]

    15. 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.

  15. Control Valve Body Spacer Plate (2) - Remove
    16. NOTE:

    Note the position of the ball check valves.

  16. Cooler Flow Blowoff Ball Valve (3) - Remove [4 or 5x] - Model Dependent
  17. Fig 1: Exploded View Of Automatic Transmission Fluid Pump Assembly Components
    GM3681791Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Fluid Pump Bolt (1) - Remove [5x]

  18. Automatic Transmission Fluid Pump (2) - Remove
  19. Automatic Transmission Fluid Pump Seal (3) - Remove and DISCARD
  20. Automatic Transmission Fluid Pump Gasket (4) - Remove and DISCARD
  21. Automatic Transmission Fluid Pump Drive Shaft Bushing (5) - Remove
  22. Automatic Transmission Fluid Pump Passage Sleeve (6) - Remove
    23. NOTE:

    Only remove the locator pins if they need to be replaced.

  23. Automatic Transmission Fluid Pump Locating Pin (7) - Remove [2x]
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