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Home >> Pontiac >> 2002 >> Aztek AWD >> Repair and Diagnosis >> Engine Mechanical >> Cooling Fan >> Engine Cooling System >> Repair Instructions >> Thermostat Replacement >> Removal Procedure

Removal Procedure

  1. Remove the air cleaner and duct assembly.
  2. Drain the coolant until the coolant level is below the thermostat. Refer to Draining and Filling Cooling System .
  3. Remove the crossover exhaust pipe. Refer to EXHAUST CROSSOVER PIPE REPLACEMENT .
  4. Remove the radiator hose from the thermostat housing.
  5. Remove the thermostat housing bolts and clean any sealer from the bolt threads.
    6. Fig 1: Removing Thermostat Housing, Gasket & Bolts
    G01745794Courtesy of GENERAL MOTORS CORP.
  6. Remove the thermostat housing and gasket.
  7. Remove the thermostat.
  8. Clean the mating surfaces.
    Fig 2: Removing Thermostat
    G01745795Courtesy of GENERAL MOTORS CORP.
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