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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 972 (Engine Cooling System) >> Repair Instructions >> Engine Coolant Fan Upper Shroud Replacement (Automatic Transmission - Diesel) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. 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 PCM Engine Harness Clip
    GM700598Courtesy of GENERAL MOTORS CORP.
  5. Remove the engine harness clip from the powertrain control module (PCM) cover.
    6. Fig 3: View Of TCM Cover & Bolts
    GM700600Courtesy of GENERAL MOTORS CORP.
  6. Remove the transmission control module (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
    GM1674545Courtesy of GENERAL MOTORS CORP.
  11. Remove the fan shroud retainers (1).
  12. Remove the fan shroud bolts (2).
  13. Remove the upper fan shroud.
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