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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 4.4L (1 Of 5)) >> On-Vehicle Repair Instructions (Part 1) >> Charge Air Cooler Housing Replacement >> Disassemble Procedure

Disassemble Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Fuel Rail
    GM1614611Courtesy of GENERAL MOTORS CORP.
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  2. Remove the fuel rail (1). Refer to Fuel Injector and Fuel Rail Replacement .
    3. Fig 2: Charge Air Cooler Front Manifold
    GM1644346Courtesy of GENERAL MOTORS CORP.
  3. Drain the charge air cooling system. Refer to Charge Air Cooling System Draining and Filling (Static Fill) or Charge Air Cooling System Draining and Filling (Vac N Fill) .
    4. IMPORTANT: Do not allow draining coolant to contact the supercharger drive belt.
  4. Place a shop rag under the front portion of the supercharger to catch any remaining coolant.
  5. Remove the charge air cooler front manifold. Refer to Charge Air Cooler Front Manifold Replacement .
    6. Fig 3: Charge Air Cooler Rear Manifold
    GM1644359Courtesy of GENERAL MOTORS CORP.
  6. Remove the charge air cooler rear manifold. Refer to Charge Air Cooler Coolant Rear Manifold Replacement .
  7. Remove the charge air cooler cooling tubes, if necessary. Refer to Charge Air Cooler Cooling Tube Replacement .
    8. Fig 4: Charge Air Cooler Bolts (Long)
    GM1644382Courtesy of GENERAL MOTORS CORP.
  8. Remove the long charge air cooler bolts.
    9. Fig 5: Charge Air Cooler Perimeter Bolts (Small)
    GM1644383Courtesy of GENERAL MOTORS CORP.
  9. Remove the short charge air cooler perimeter bolts.
    10. Fig 6: Charge Air Cooler Housing
    GM1644384Courtesy of GENERAL MOTORS CORP.
  10. Remove the charge air cooler housing.
    11. Fig 7: Charge Air Cooler Housing Perimeter Gasket
    GM1644399Courtesy of GENERAL MOTORS CORP.
  11. Remove and discard the charge air cooler housing perimeter gasket.
  12. Remove and discard the charge air cooler housing interior O-ring gaskets.
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