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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 197 (Engine Cooling System) >> Repair Instructions >> Thermostat Housing Replacement - LX9 (3.5L) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Use the J 38185 (SA9111E) to gently release tension on the hose clamp until the hose clamp lock feature engages allowing removal of the hose.
  1. Remove the air cleaner intake duct.
  2. Drain the cooling system. Refer to Draining and Filling Cooling System (Static Fill) .
  3. Using the J 38185  , release the tension on the hose clamp at the thermostat housing and reposition the clamp.
    4. Fig 1: Locating Radiator Inlet & Outlet Hoses
    GM1747163Courtesy of GENERAL MOTORS CORP.
  4. Remove the radiator inlet hose from the thermostat housing.
  5. Remove the thermostat housing bolts.
  6. Remove the thermostat housing.
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