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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1620 (Engine Cooling System) >> Repair Instructions >> Thermostat Housing Replacement (4.8L, 5.3L, and 6.0L Engines) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. 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 .
  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 (4.3L Engine)  or Radiator Hose Replacement - Outlet (4.8L, 5.3L, and 6.0L Engines)  or  Radiator Hose Replacement - Outlet (6.6L Engine)   or  Radiator Hose Replacement - Outlet (8.1L Engine)   .
    Fig 1: Install Thermostat Housing & Bolts
    G02109118Courtesy of GENERAL MOTORS CORP.
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