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HOMESERVICE MANUALSCADILLAC2011ESCALADE BASE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 920 (AUTOMATIC TRANSMISSION - ALLISON - REMOVAL & INSTALLATION, SERVICE, OVERHAUL, TROUBLESHOOTING & DIAGNOSIS)OFF-VEHICLE REPAIR INSTRUCTIONSCONTROL VALVE BODY ASSEMBLY DISASSEMBLETOOLS REQUIRED
2011 Cadillac Escalade Base, AWD

Tools Required

2011 Cadillac Escalade Base, AWDSECTION Tools Required
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

J 33163  Valve Tray Set. See Special Tools .

    Fig 1: TFP Switch Retaining Bolts
    GM1580996Courtesy of GENERAL MOTORS CORP.
  1. Position the control valve assembly on the work table so that the main valve body assembly is facing up.
  2. Remove 6 bolts (1) retaining the transmission fluid pressure (TFP) switch to the main valve body.
    3. Fig 2: TFP Switch And Reverse Signal Pipe
    GM1580997Courtesy of GENERAL MOTORS CORP.
  3. Remove the TFP switch (1) from the main valve body (3).
  4. Remove 2 bolts retaining the reverse signal pipe (2) to the main valve body (3).
  5. Remove the reverse signal pipe (2) from the main valve body (3).
    6. Fig 3: Modulated Main Pressure Solenoid Valve Body
    GM1580999Courtesy of GENERAL MOTORS CORP.
  6. Remove 2 bolts (1) retaining the modulated main pressure solenoid valve body to the main valve body (3).
    7. IMPORTANT: To help prevent confusing parts on assembly, use J 33163  to store the removed control valve assembly valves, springs, and stops. See Special Tools .
  7. Remove the modulated main pressure solenoid valve body (2) and six speed tube.
  8. Remove the modulated main pressure (MAIN MOD) solenoid retainer (5) from the bottom of the valve body.
  9. Remove the MAIN MOD solenoid (3).
  10. Remove 2 O-rings (4) from the MAIN MOD solenoid (3).
    11. Fig 4: TCC PCS And Components
    GM1581001Courtesy of GENERAL MOTORS CORP.
  11. Remove 1 bolt (1) retaining the torque converter clutch pressure control solenoid (TCC PCS) bracket to the main valve body.
  12. Remove the TCC PCS bracket (2).
  13. Remove the TCC PCS (7), valve (4), and spring (3).
  14. Remove the O-rings (5, 6) from the TCC PCS (7).
    15. Fig 5: Shift Solenoid Assembly
    GM1331377Courtesy of GENERAL MOTORS CORP.
  15. Remove the shift solenoid 2 (SS2) retainer (1).
  16. Remove the SS2 (4).
  17. Remove the O-rings (2, 3) from the SS2 (4).
    18. Fig 6: Shift Solenoid Assembly
    GM1331380Courtesy of GENERAL MOTORS CORP.
  18. Remove the shift solenoid 3 (SS3) retainer (1).
  19. Remove the SS3 (4).
  20. Remove the O-rings (2, 3) from SS3 (4).
    21. Fig 7: View Of Pressure Control Valve Retaining Bracket Retaining Bolts
    GM1331541Courtesy of GENERAL MOTORS CORP.
  21. Remove 3 bolts (1) that retain the PCS1 and PCS2 retaining bracket (2) to the main valve body (3).
    22. Fig 8: Pressure Control Solenoid Components
    GM1581003Courtesy of GENERAL MOTORS CORP.
  22. Remove the PCS1 and PCS2 retaining bracket (1), 2 accumulator springs (2), and 2 accumulator plugs (3).
  23. Remove the PCS1 (15), valve (13), spring (12), valve (11), and spring (10).
  24. Remove the PCS2 (9), valve (7), valve (6), and spring (5).
  25. Remove the O-ring (14) from the PCS1 (15).
  26. Remove the O-ring (8) from the PCS2 (9).
    27. Fig 9: Shift Solenoid
    GM1581004Courtesy of GENERAL MOTORS CORP.
  27. Position the control valve body on the work table so that the shift valve body (1) is facing up.
  28. Remove the shift solenoid 1 (SS1) retainer (2).
  29. Remove the SS1 (5).
  30. Remove the O-rings (3, 4) from SS1 (5).
    31. Fig 10: Shift Valve Body Bolts
    GM1581007Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.