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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Mechanical - 4.6L (4 Of 5)) >> Off-Vehicle Repair Instructions (2 Of 3) >> Water Pump Cleaning and Inspection >> Cleaning Procedure

Cleaning Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Water Pump O-Ring Seal
    GM1564167Courtesy of GENERAL MOTORS CORP.
    NOTE: Do not immerse the water pump in solvent. The solvent may enter the water pump's permanently lubricated bearings and cause premature bearing failure.
  1. Remove and discard the O-ring from the water pump.
  2. Clean all excess dirt and debris from the water pump housing.
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