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Home >> Chevrolet >> 2021 >> Tahoe Z71 >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Bolted Exterior Body Panels And Closures >> Repair Instructions >> Plenum Front Panel Outer Reinforcement Replacement >> Removal Procedure

Removal Procedure

  1. Using the appropriate trim tool, remove the 2 windshield wiper arm finish caps (1) from both windshield wiper arms (3).
    GM5522078Courtesy of GENERAL MOTORS COMPANY
  2. Windshield Wiper Arm Nut (2) - Remove [2x]
  3. Grasp the outer end of the windshield wiper arm (3) and gently rock the arm back and forth to remove it from the left and right side windshield wiper transmission pivot shaft.
  4. Hood Rear Outer Air Inlet Seal Retainer (1) - Remove [2x]
    GM5532143Courtesy of GENERAL MOTORS COMPANY
  5. Hood Rear Outer Air Inlet Seal (2) - Remove [2x]
  6. Apply two layers of masking tape around the top edge of the service part to prevent paint damage.
    GM5628133Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Quantity of retainers may vary based on option content.

  7. Using a suitable plastic trim tool, carefully release the 3 air inlet grille panel extension clips.
  8. Air Inlet Grille Panel Extension (1) - Remove [2x]
  9. Air Inlet Grille Panel Retainer (1) - Remove [8x]
    GM5531724Courtesy of GENERAL MOTORS COMPANY
  10. Disconnect the windshield washer nozzle hose from the windshield washer pump hose.
  11. Lift the front edge of the air inlet grille panel (2) and slide the panel forward from both hood hinges to remove.
  12. Windshield Wiper System Module Shield (1) - Remove
    GM5537718Courtesy of GENERAL MOTORS COMPANY
    13. NOTE:

    To prevent erroneous DTC's, disconnect the battery negative cable before disconnecting the windshield wiper motor electrical connector.

  13. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection (9C1, 5W4)Battery Negative Cable Disconnection and Connection (KL9)
  14. Release the retainers.
    GM5537717Courtesy of GENERAL MOTORS COMPANY
  15. Windshield Wiper System Module Bolt (1) - Remove [2x]
  16. Slide the windshield wiper system module (2) inboard to release the grommet from the plenum and flip the windshield wiper system module upside down to gain access to the electrical connector.
  17. Push electrical connector together to unload the latch system. Then using a small pick or small flat bladed tool, lightly pry down and outboard on the locking tab (3) and pull the electrical connector away from the module mating connector. Do NOT attempt to pry anywhere else on the connector body or damage can occur.
  18. Verify the electrical connector and the windshield wiper system module mating connector (3) are not damaged.
  19. Windshield Wiper System Module (2) - Remove
  20. Plenum Front Panel Bolt (1) - Remove [3x]
    GM5571482Courtesy of GENERAL MOTORS COMPANY
  21. Plenum Front Panel Nut (2) - Remove [3x]
  22. Plenum Front Panel Bolt (1) - Remove [2x]
    GM5571483Courtesy of GENERAL MOTORS COMPANY
  23. Plenum Front Panel Nut (2) - Remove [3x]
  24. Dash Panel Outer Insulator Retainer (1) - Remove [3x]
    GM5571683Courtesy of GENERAL MOTORS COMPANY
  25. Radiator Surge Tank Bolt (2) - Remove
  26. Reposition the radiator surge tank. (3)
  27. Air Conditioning Evaporator and Blower Module Nut (1) - Remove [2x]
    GM5040913Courtesy of GENERAL MOTORS COMPANY
  28. Air Inlet Deflector Water Deflector (2) - Remove
  29. Disconnect the electrical connectors and detach the wiring harness as necessary.
  30. Plenum Front Panel Outer Reinforcement (1) - Remove
    GM5571687Courtesy of GENERAL MOTORS COMPANY
  31. Dash Panel Outer Insulator Retainer (1) - Remove [2x]
    GM5749868Courtesy of GENERAL MOTORS COMPANY
  32. Remove the dash panel outer insulator (2) from the plenum front panel outer reinforcement.
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