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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 688 (Engine Cooling System) >> Repair Instructions >> Fan Shroud Replacement - Upper (W/M74) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  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. Fig 1: Air Cleaner Outlet Duct
    G01658185Courtesy of GENERAL MOTORS CORP.
  4. Remove the A/C line retainer from the fan shroud.
  5. Remove the engine harness clip from the PCM cover.
    Fig 2: Engine Harness Clip From PCM Cover
    G01658186Courtesy of GENERAL MOTORS CORP.
  6. Remove the TCM cover bolts.
  7. Remove TCM cover from the fan shroud.
    Fig 3: TCM
    G01658187Courtesy 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. Remove the fan shroud retainers.
    Fig 4: Fan Shroud Retainers
    G01658189Courtesy of GENERAL MOTORS CORP.
  12. Remove the fan shroud bolts
  13. Remove the upper fan shroud.
    Fig 5: Upper Fan Shroud
    G01658190Courtesy of GENERAL MOTORS CORP.
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