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Installation Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the thermostat and thermostat housing to the water pump.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the thermostat housing bolts.

    Tighten 

    Tighten the bolts to 15 N.m (11 lb ft).

  3. Install the radiator outlet hose. Refer to RADIATOR HOSE REPLACEMENT - OUTLET (BODY VIN CODE 3)   or RADIATOR HOSE REPLACEMENT - OUTLET (BODY VIN CODE 6 LM4)   or RADIATOR HOSE REPLACEMENT - OUTLET (BODY VIN CODE 6 LL8)   .
    Fig 1: Installing Thermostat & Thermostat Housing To Water Pump (5.3L Engine)
    G02129806Courtesy of GENERAL MOTORS CORP.
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