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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 160 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Pipe Adapter Replacement - Inlet >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Lubricate the O-ring with coolant.
    2. Fig 1: View Of Heater Pipe Adapter
    GM415895Courtesy of GENERAL MOTORS CORP.
  2. Install the heater pipe adapter
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the heater pipe adapter mounting bolt.

    Tighten:  Tighten the bolt to 6 N.m (53 lb in).

    4. Fig 2: View Of Heater Inlet Hose At Pipe Adapter
    GM415893Courtesy of GENERAL MOTORS CORP.
  4. Connect the heater inlet hose to the pipe adapter.
  5. UseJ 38185  in order to secure the heater core hose clamp.
  6. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.8L.
  7. Fill the cooling system. Refer to Draining and Filling Cooling System (L26 Static Fill) , Draining and Filling Cooling System (LY7 Static Fill) or Draining and Filling Cooling System (L26, LY7, GE 47716 Fill) in Engine Cooling.
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