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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1158 (Engine Mechanical - 3.6L (3 Of 6)) >> Off-Vehicle Repair Instructions (1 Of 4) >> Engine Coolant Thermostat Housing Removal

Engine Coolant Thermostat Housing Removal

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Heater Inlet/Outlet Pipe Assembly
    GM946082Courtesy of GENERAL MOTORS CORP.
  1. Remove the heater inlet/outlet pipe assembly bolts.
  2. Remove the heater inlet/outlet pipe assembly.
    3. Fig 2: View Of Heater Inlet/Outlet Pipe Assembly O-Ring & Gasket
    GM1665644Courtesy of GENERAL MOTORS CORP.
  3. Remove and discard the heater inlet/outlet pipe assembly O-ring and gasket.
    4. Fig 3: View of Thermostat Housing Assembly with Bolts
    GM1888100Courtesy of GENERAL MOTORS CORP.
  4. Remove the thermostat housing assembly bolts.
  5. Remove the thermostat housing assembly.
    6. Fig 4: Identifying Thermostat Housing O-Ring & Gasket Assembly
    GM1888103Courtesy of GENERAL MOTORS CORP.
  6. Remove and discard the thermostat housing assembly O-ring and gasket.
    7. Fig 5: Identifying Thermostat Housing Assembly
    GM1888107Courtesy of GENERAL MOTORS CORP.
  7. Remove the thermostat housing bolts.
  8. Remove the thermostat housing.
    9. Fig 6: View of Thermostat Housing Assembly
    GM1888110Courtesy of GENERAL MOTORS CORP.
  9. Remove and discard the thermostat housing O-ring.
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