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Water Pump Installation

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Lubricate the water pump O-ring with engine oil.
  2. Install the engine coolant pipe gasket.
  3. Install the water pump seal.
    4. Fig 1: View Of Engine Coolant Pipe & Gasket
    GM1336116Courtesy of GENERAL MOTORS CORP.
  4. Install the water pump. Be sure the water pump studs align with the coolant tube.
    5. NOTE: Refer to Fastener Notice in Cautions and Notices.
  5. Install the water pump bolts.

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

  6. Install the water pump to coolant tube nuts.

    Tighten:  Tighten the water pump to coolant tube nuts to 25 N.m (18 lb ft).

    7. Fig 2: View Of Water Pump Outlet Pipe Nuts
    GM1336115Courtesy of GENERAL MOTORS CORP.
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