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Installation Procedure

WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Water Pump Bolts & Guide Pin
    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 M 6 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 bolts to 25 N.m (18 lb ft).
  5. Tighten the water pump sprocket bolts last. Tighten the bolts to 10 N.m (89 lb in).
    6. Fig 2: Using J 43651
    GM1828010Courtesy of GENERAL MOTORS CORP.
  6. Remove the J 43651  (1). See Special Tools .
    7. Fig 3: Water Pump Access Plate (L61)
    GM896331Courtesy of GENERAL MOTORS CORP.
  7. Install the water pump access plate and bolts and tighten to 10 N.m (89 lb in).
  8. Install the thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement (L4) .
  9. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
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