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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different car >> Section 412 (Engine Cooling System) >> Repair Instructions >> Fan Shroud Replacement - Upper (W/M74) >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Cadillac Escalade EXT. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Air Cleaner Outlet Duct
    GM700979Courtesy of GENERAL MOTORS CORP.
  1. Loosen the air cleaner outlet duct clamps from the throttle body.
  2. Loosen the air cleaner outlet duct clamps from the mass airflow sensor.
  3. Remove the air cleaner outlet duct.
  4. Remove the A/C line retainer from the fan shroud.
    5. Fig 2: View Of Engine Harness Clip At PCM Cover
    GM700598Courtesy of GENERAL MOTORS CORP.
  5. Remove the engine harness clip from the PCM cover.
    6. Fig 3: View Of TCM Cover & Bolts
    GM700600Courtesy of GENERAL MOTORS CORP.
  6. Remove the TCM cover bolts.
  7. Remove TCM cover from the fan shroud.
    8. Fig 4: View Of TCM Electrical Connectors
    GM700599Courtesy of GENERAL MOTORS CORP.
  8. Loosen the TCM electrical connector bolts.
  9. Disconnect the TCM electrical connectors (1).
  10. Remove the TCM and cover.
    11. Fig 5: View Of Fan Shroud Retainers
    GM362174Courtesy of GENERAL MOTORS CORP.
  11. Remove the fan shroud retainers.
    12. Fig 6: View Of Upper Fan Shroud
    GM362162Courtesy of GENERAL MOTORS CORP.
  12. Remove the fan shroud bolts
  13. Remove the upper fan shroud.
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