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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1539 (Engine Cooling System - Non-Hybrid) >> Repair Instructions >> Water Pump Replacement (LMM) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Water Pump Outlet Pipe Gasket, Water Pump, O-Ring, Nut And Bolts
GM2338140Courtesy of GENERAL MOTORS CORP.
  1. Lubricate the water pump O-ring with engine oil.
  2. Install the water pump outlet pipe gasket (4) and the lubricated water pump O-ring (3).
    CAUTION: Refer to Fastener Caution .
  3. Install the water pump nut (1) and bolts (2). Ensure the correct length bolt is used in the proper location and tighten to 25 N.m (18 lb ft).
    4. Fig 2: Identifying Water Pump Outlet Pipe Nuts & Studs
    GM1729415Courtesy of GENERAL MOTORS CORP.
  4. Install the engine wiring harness retainer on inner stud.
  5. Install the water pump to water pump outlet pipe nuts (2) to the studs (1) and tighten to 25 N.m (18 lb ft)
  6. Install the water pump to engine coolant pipe nuts.

    Tighten:  Tighten the nuts to 21 N.m (15 lb ft).

  7. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  8. Install the thermostat bypass pipe. Refer to Thermostat Bypass Pipe Replacement 
  9. Install the radiator outlet hose. Refer to Radiator Outlet Hose Replacement (Non-HP2) 
  10. Install the left wheelhouse inner panel. Refer to Front Wheelhouse Liner Replacement - Left Side (Chevrolet) or Front Wheelhouse Liner Replacement - Left Side (GMC) .
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