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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 52 (Engine Cooling System) >> Repair Instructions >> Engine Coolant Fan Motor Replacement (LY7) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Fan Motor & Fan Shroud
    GM1537112Courtesy of GENERAL MOTORS CORP.
  1. Install the engine cooling fan motor to the fan shroud.
  2. Fig 2: Locating Cooling Fan Motor Bolts
    GM1553241Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Position the fan motor to the fan shroud and insert the bolts from the front side.
  3. Install the cooling fan motor bolts.
  4. NOTE: Refer to Fastener Notice .
  5. Install the cooling fan motor nuts.

    Tighten:  Tighten the nuts to 6 N.m (53 lb in).

  6. Fig 3: Identifying Fan Shroud Assembly
    GM1537110Courtesy of GENERAL MOTORS CORP.
    NOTE: Failure to heat the fan hub in hot tap water before installation will result in cooling fan failure due to cracking. Allowing the heated fan to cool for more than one minute prior to installation will also result in failure due to cracking.
    IMPORTANT: Using hot tap water at a minimum of 49°C (120°F), hold the new fan blade hub under the running water for a minimum of 60 seconds to heat the fan blade to the temperature of the water.
    Immediately after heating, position the fan blade on the fan motor drive plate.
  7. Install the new engine cooling fan blade.
  8. IMPORTANT: Hold the fan blade to prevent rotation.
  9. Using the GE-47827  turn the fan motor drive plate in the same direction of the arrow on the fan blade until the fan motor drive plate engages to the fan blade. See Special Tools . Full engagement is attained when the motor drive plate fully occupies the three slots in the face of the fan blade.
  10. Rotate the cooling fan blade to ensure proper rotation.
  11. Install the fan shroud assembly to the vehicle. Refer to Fan Shroud Replacement (LY7)  or Fan Shroud Replacement (L26)  or Fan Shroud Replacement (LS4) .