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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 197 (Engine Cooling System) >> Repair Instructions >> Cooling Fan and Shroud Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: An electric fan under the hood can start up even when the engine is not running and can injure you. Keep hands, clothing and tools away from any underhood electric fan.
CAUTION: To help avoid personal injury or damage to the vehicle, a bent, cracked or damaged fan blade or housing should always be replaced.
    Fig 1: Identifying Cooling Fan Motor Harness Connectors
    GM1547170Courtesy of GENERAL MOTORS CORP.
  1. Remove the air cleaner and duct assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls - 3.5L (LX9).
  2. Remove right side diagonal brace. Refer to Brace Replacement - Sheet Metal Diagonal (Chevrolet) , Brace Replacement - Sheet Metal Diagonal (Pontiac) or Brace Replacement - Sheet Metal Diagonal (Buick) in Body Front End.
  3. Remove radiator inlet hose. Refer to Radiator Hose Replacement - Inlet .
  4. Disconnect the cooling fan harness electrical connector.
    5. Fig 2: Identifying Engine Mount Strut Bracket Brace Bolts
    GM792869Courtesy of GENERAL MOTORS CORP.
  5. Loosen the engine mount strut nuts at the engine side.
  6. Remove the engine mount strut bracket brace bolts from the upper radiator support and rotate the struts and brackets rearward.
    7. Fig 3: Identifying Recovery Reservoir Hose
    GM1547161Courtesy of GENERAL MOTORS CORP.
  7. Reposition the coolant overflow hose clamp at the coolant recovery reservoir.
  8. Remove the hose (1) from the reservoir.
  9. Remove the overflow hose from the retainers. Position the hose aside.
    10. Fig 4: View Of Cooling Fan Assembly
    GM1547212Courtesy of GENERAL MOTORS CORP.
  10. Remove the battery. See Engine Electrical.
  11. Remove the radiator upper mount bolts.
  12. Remove the radiator upper mounts.
  13. Remove the cooling fan shroud bolts.
  14. Disconnect the upper transmission oil cooler (TOC) line from the radiator. Refer to Transmission Fluid Cooler Line Quick Connect Fitting in Automatic Transaxle - 4T65-E.
  15. Disconnect the TOC lines from the fan shroud retainer clip.
  16. Remove the cooling fan shroud and fans.
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