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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1949 (Engine Cooling System) >> Repair Instructions >> Water Pump Replacement (L4) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Water Pump Bolts
    GM951802Courtesy of GENERAL MOTORS CORP.
    NOTE: Prior to installing the water pump, read the entire procedure. This will help avoid balance shaft chain re-timing and ensure proper sealing.
  1. Install a NEW water pump O-ring seal.
    2. NOTE: A guide pin can be created to aid in water pump alignment. Use a M6 m x 6 mm stud. Thread the pin into the water pump sprocket.
  2. Using the guide pin, align the pin with the water pump holding tool.
  3. Position the water pump against the engine block and hand tighten the water pump bolts.
    4. CAUTION: Refer to Fastener Caution .
  4. Install the inner water pump sprocket bolts. After 2 are snug, remove the guide pin and install the 3rd bolt.

    Tighten the water pump bolts to 25 N.m (18 lb ft).

  5. Tighten the water pump sprocket bolts last to 10 N.m (89 lb in).
    6. Fig 2: View Of Special Tool J 43651
    GM1820843Courtesy of GENERAL MOTORS CORP.
  6. Remove the J 43651  (1). See Special Tools .
    7. Fig 3: Identifying Water Pump Access Plate & Bolts
    GM1820842Courtesy of GENERAL MOTORS CORP.
  7. Install the water pump access plate and bolts and tighten the bolts to 10 N.m (89 lb in).
  8. Install the engine splash shield. Refer to Engine Splash Shield Replacement .
  9. Install the thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement (LAT)  or Engine Coolant Thermostat Housing Replacement (LE5) .
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