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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 Inlet Hose Replacement (LS4) >> Removal Procedure

Removal 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.
  1. Drain 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) .
    2. Fig 1: Identifying Heater Inlet Hose At Heater Pipe
    GM1699794Courtesy of GENERAL MOTORS CORP.
  2. Use J 38185  to reposition the heater inlet hose clamp at the heater pipe.
    3. IMPORTANT: Cap or plug the cooling components to prevent system contamination.
  3. Remove the heater inlet hose (1) from the heater pipe.
    4. Fig 2: Identifying Heater Inlet Hose At Heater Core
    GM1699795Courtesy of GENERAL MOTORS CORP.
  4. Use J 38185  to reposition the heater inlet hose clamp at the heater core.
  5. Remove the heater inlet hose (1) from the heater core.
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