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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 800 (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 thermostat housing (water pump inlet) and thermostat must be replaced as an assembly.

  1. Remove the radiator outlet hose. Refer to RADIATOR HOSE REPLACEMENT - OUTLET (4.8L, 5.3L, AND 6.0L ENGINES)  or RADIATOR HOSE REPLACEMENT - OUTLET (8.1L ENGINE)  .
  2. Remove the water pump inlet bolts.
  3. Remove the water pump inlet from the water pump.
    Fig 1: Removing Thermostat Housing
    G02117754Courtesy of GENERAL MOTORS CORP.
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