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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 753 (Engine Cooling System) >> Repair Instructions >> Thermostat Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the air cleaner and duct assembly. Refer to ENGINE CONTROLS - REMOVAL & INSTALLATION & OVERHAUL  in Removal and Installation in Engine Performance.
  2. Drain the coolant until the coolant level is Below the thermostat. Refer to DRAINING AND FILLING COOLING SYSTEM   . 
  3. Remove the crossover exhaust pip. Refer to EXHAUST CROSSOVER PIPE REPLACEMENT  in Engine Exhaust.
  4. Remove the radiator hose from the thermostat housing. Refer to RADIATOR HOSE REPLACEMENT - INLET   . 
  5. Remove the thermostat housing Bolts and clean any sealer from the Bolt threads.
  6. Remove the thermostat housing and gasket.
    Fig 1: Removing Thermostat Housing And Gasket
    G01485852Courtesy of GENERAL MOTORS CORP.
  7. Remove the thermostat.
  8. Clean the mating surfaces.
    Fig 2: Removing Thermostat
    G01485853Courtesy of GENERAL MOTORS CORP.
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