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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 634 (Engine Cooling System) >> Repair Instructions >> Thermostat Housing Replacement (4.8L, 5.3L, and 6.0L Engines) >> Removal Procedure

Removal Procedure

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IMPORTANT: The thermostat is not serviceable separately. The water pump inlet and thermostat must be replaced as an assembly.
    Fig 1: View Of Water Pump Inlet
    GM370076Courtesy of GENERAL MOTORS CORP.
  1. Remove the radiator outlet hose. Refer to RADIATOR HOSE REPLACEMENT - Inlet (4.8L, 5.3L, and 6.0L Engines)  or RADIATOR HOSE REPLACEMENT - Inlet (8.1L Engine) .
  2. Remove the water pump inlet bolts.
  3. Remove the water pump inlet and thermostat from the water pump.
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