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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (Engine Cooling System) >> Repair Instructions >> Coolant Heater Cord Replacement (LY7) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
    2. Fig 1: View Of Coolant Heater Cord - LY7 (KO5)
    GM785737Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the coolant heater power supply cord from the coolant heater (1).
  3. Disconnect the coolant heater cord clip (2) from the coolant heater cord.
  4. Lower the vehicle.
  5. Disconnect the coolant heater cord clips (3, 4) from the following:
    • The engine wiring harness conduit
    • The engine oil level indicator tube
  6. Remove the coolant heater cord from the vehicle.
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