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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 - LZ9 (3.9L) >> 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 Housing
    GM1556817Courtesy of GENERAL MOTORS CORP.
    NOTE: refer to FASTENER NOTICE in Cautions and Notices.
  1. Position the thermostat housing.
  2. Install the thermostat housing bolt/stud.

    Tighten:  Tighten the bolt to 2.5 N.m (18 lb in).

  3. Fig 2: View Of Radiator Inlet & Outlet Hoses
    GM1677957Courtesy of GENERAL MOTORS CORP.
  4. Install the radiator outlet hose to the thermostat housing.
  5. Using a small flat-bladed screwdriver, release the hose clamp retention lock at the thermostat housing.
  6. Fill the cooling system. Refer to Draining and Filling Cooling System (Static Fill) .