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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 197 (Engine Cooling System) >> Repair Instructions >> Water Pump Replacement - LZ9 (3.9L) >> 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.
  1. Drain cooling system. Refer to Draining and Filling Cooling System (Static Fill) .
    2. Fig 1: View Of Water Pump Pulley
    GM1557687Courtesy of GENERAL MOTORS CORP.
  2. Loosen the water pump pulley bolts.
  3. Remove drive belt. Refer to DRIVE BELT REPLACEMENT .
  4. Remove the water pump pulley bolts and pulley.
    5. Fig 2: Identifying Water Pump & Gasket
    GM1557689Courtesy of GENERAL MOTORS CORP.
  5. Remove water pump bolts, pump, and gasket.
  6. Clean the water pump mating surfaces.
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