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

Installation 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.
Fig 1: Removing/Installing Thermostat
GM1641124Courtesy of GENERAL MOTORS CORP.
  1. Install a NEW thermostat O-ring seal.
  2. Install the thermostat.
  3. Install the thermostat housing. Refer to Thermostat Housing Replacement - LX9 (3.5L) .