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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1003 (Engine Cooling System) >> Repair Instructions >> Thermostat Replacement (8.1L Engine) >> Removal Procedure

Removal Procedure

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. Drain the cooling system. Refer to Draining and Filling Cooling System (without HP2) .
  2. Reposition the inlet hose clamp at the water outlet.
  3. Remove the inlet hose from the water outlet.
    4. Fig 1: View Of Inlet Hose Clamp & Water Crossover
    GM751425Courtesy of GENERAL MOTORS CORP.
  4. Remove the water outlet bolts (2).
  5. Remove the water outlet (1).
  6. Remove the thermostat (3).
    7. Fig 2: View Of Water Outlet, Bolts & Thermostat
    GM635643Courtesy of GENERAL MOTORS CORP.
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