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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Heater Pipes Replacement (LS4) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Heater Pipe Assembly
    GM1524235Courtesy of GENERAL MOTORS CORP.
  1. Using a lint-free clean, dry cloth, carefully clean the sealing surfaces of the heater pipe assembly at the engine and heater hoses.
  2. Install the heater pipe assembly into position in the vehicle.
  3. Install the heater pipe hoses to the engine.
  4. Reposition and release the heater pipe hose clamps at the engine using the J 38185  .
  5. Loosely install the heater pipe assembly retaining bolt to the front of the engine.
    6. Fig 2: View Of Heater Core Pipes
    GM1524232Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  6. Install the heater pipe assembly retaining bolts to the rear of the engine.

    Tighten:  Tighten all the heater pipe assembly bolts to 16 N.m (12 lb ft).

    7. Fig 3: View Of Heater Hoses & Clamps
    GM1524231Courtesy of GENERAL MOTORS CORP.
  7. Connect heater hoses to the heater pipe assembly.
  8. Install the heater hose clamps into position using the J 38185  .
  9. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  10. Fill the cooling system. Refer to Cooling System Draining and Filling (L26, LY7 GE 47716 Fill) or Cooling System Draining and Filling (L26 Static Fill) or Cooling System Draining and Filling (LY7 Static Fill) or Cooling System Draining and Filling (LS4 GE47716 Fill) or Cooling System Draining and Filling (LS4 Static Fill) .
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