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Home >> Cadillac >> 2009 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 209 (Automatic Transmission - 4L60-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Repair Instructions - Off Vehicle >> Control Valve Body and Wiring Harness Removal

Control Valve Body and Wiring Harness Removal

WARNING: This page is about a different car, the 2009 GMC Yukon and 2009 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Electrical Connectors
    GM2035534Courtesy of GENERAL MOTORS CORP.
  1. Remove all electrical connectors (1-6) from the electrical components.
    2. Fig 2: View Of TCC/PWM Solenoid & Clip
    GM405022Courtesy of GENERAL MOTORS CORP.
  2. Remove the torque converter clutch pulse width modulation (TCC/PWM) retainer clip (395).
  3. Remove the TCC/PWM solenoid (396).
    4. Fig 3: Identifying TCC Solenoid Retaining Bolts
    GM2035536Courtesy of GENERAL MOTORS CORP.
  4. Remove the TCC solenoid bolts (68).
    5. Fig 4: TCC Solenoid (With O-Ring Seal) And Wiring Harness
    GM2035537Courtesy of GENERAL MOTORS CORP.
  5. Remove the TCC solenoid and wiring harness (66). Turn the wiring harness over so that it hangs over the side of the transmission.
    6. Fig 5: Identifying Manual Detent Spring Bolt And Spring Assembly
    GM2035540Courtesy of GENERAL MOTORS CORP.
  6. Remove the manual detent spring bolt (64).
  7. Remove the manual detent spring assembly (63).
    8. Fig 6: Identifying Valve Body Bolts
    GM2035541Courtesy of GENERAL MOTORS CORP.
  8. Remove all valve body bolts (59, 62, 120).
    9. Fig 7: Identifying Manual Valve Link
    GM5449Courtesy of GENERAL MOTORS CORP.
  9. Lift the valve body carefully so that the checkballs remain on the spacer plate in the correct location. While lifting the valve body, disconnect the manual valve link (89) from the manual valve (340).
    10. Fig 8: Identifying Check Ball Locations
    GM2035542Courtesy of GENERAL MOTORS CORP.
    CAUTION: Do not use a magnet in order to remove the control valve body ball check valves. This may magnetize the control valve body ball check valves, causing metal particles to stick to them.
    NOTE: Some models do not use a #5 ball check valve.
  10. Remove the 7 valve body ball check valves (2-6, 8, and 12).
    11. Fig 9: View Of Body Ball Check Valves & Cover Bolts
    GM1755940Courtesy of GENERAL MOTORS CORP.
  11. Remove the accumulator cover bolts (58, 59 or 117, 118).
  12. Remove the 1-2 accumulator cover and pin assembly (57) or 1-2 accumulator cover assembly (116), and gasket (114).
    13. NOTE: Some models do not use an outer 1-2 accumulator spring (54).
  13. Disassemble the 1-2 accumulator assembly (54, 56, 57, 104).
    14. Fig 10: View Of Spacer Plate Support Plate & Bolts
    GM1283236Courtesy of GENERAL MOTORS CORP.
  14. Remove the spacer plate support bolts (77).
  15. Remove the spacer plate support (53 or 113).
    16. Fig 11: Valve Body Spacer Plate
    GM1887647Courtesy of GENERAL MOTORS CORP.
    NOTE: Do not reuse the bonded spacer plate. Replace with a NEW bonded spacer plate.
  16. Remove the bonded valve body spacer plate (48), discard and do not reuse.
    17. Fig 12: View Of 3-4 Accumulator Piston & Seal Assembly
    GM829176Courtesy of GENERAL MOTORS CORP.
    NOTE: Some models do not use a 3-4 accumulator spring (46).
  17. Remove the 3-4 accumulator spring (46) and the 3-4 accumulator piston (44).
    18. Fig 13: Locating #1 Checkball
    GM5455Courtesy of GENERAL MOTORS CORP.
    CAUTION: Do not use a magnet in order to remove the control valve body ball check valves. This may magnetize the control valve body ball check valves, causing metal particles to stick to them.
  18. Remove the #1 case ball check valve.
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