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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1003 (Engine Cooling System) >> Repair Instructions >> Fan Shroud Replacement - Upper (W/M74) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the upper fan shroud.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the fan shroud bolts.

    Tighten:  Tighten the bolts to 9 N.m (80 lb in).

  3. Fig 1: View Of Fan Shroud & Bolts
    GM362162Courtesy of GENERAL MOTORS CORP.
  4. Install the fan shroud retainers.
  5. Fig 2: View Of Fan Shroud Retainers
    GM362174Courtesy of GENERAL MOTORS CORP.
  6. Connect the TCM electrical connectors (1).
  7. Fig 3: View Of TCM Electrical Connectors
    GM700599Courtesy of GENERAL MOTORS CORP.
  8. Install the TCM and cover.
  9. Tighten the TCM electrical connector bolts.

    Tighten:  Tighten the bolts to 8 N.m (71 lb in).

  10. Install the TCM cover to the fan shroud.
  11. Install the TCM cover bolts.

    Tighten:  Tighten the bolts to 9 N.m (80 lb in).

  12. Fig 4: View Of TCM Cover & Bolts
    GM700600Courtesy of GENERAL MOTORS CORP.
  13. Install the engine harness clip to the PCM cover.
  14. Fig 5: View Of PCM Engine Harness Clip
    GM700598Courtesy of GENERAL MOTORS CORP.
  15. Install the A/C line retainer to the fan shroud.
  16. Install the air cleaner outlet duct.
  17. Fig 6: View Of Air Cleaner Outlet Duct
    GM700979Courtesy of GENERAL MOTORS CORP.
  18. Tighten the air cleaner outlet duct clamp at the throttle body.

    Tighten:  Tighten the clamp screws to 7 N.m (62 lb in).

  19. Tighten the air cleaner outlet duct clamp at the mass airflow sensor.

    Tighten:  Tighten the clamp screws to 7 N.m (62 lb in).