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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1864 (Engine Cooling System) >> Repair Instructions >> Water Pump Replacement (3.5L (L66)) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Drain Valve
    GM931332Courtesy of GENERAL MOTORS CORP.
  1. Drain the coolant. Refer to Draining and Filling Cooling System (Static Fill)  or Draining and Filling Cooling System (GE 47716 Fill) .
  2. Remove the timing belt cover. Refer to Timing Belt Cover Replacement .
  3. Fig 2: View Of Water Pump Assembly Bolts
    GM1237802Courtesy of GENERAL MOTORS CORP.
    IMPORTANT:
    • When a vehicle is diagnosed to have coolant leaking inside the timing belt cover, a visual inspection of the timing belt should be completed. If there is any indication that coolant has leaked onto the timing belt (i.e. wetness, staining, etc.), the timing belt should be replaced.
    • When replacing the water pump, coolant will be spilled onto the timing belt. Replacement of the timing belt due to coolant spillage on the belt is not necessary.
  4. Remove the water pump assembly bolts.
  5. Remove the water pump and O-ring.