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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 Cooling Tube Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Inboard Charge Air Cooler Cooling Tubes
    GM1687874Courtesy of GENERAL MOTORS CORP.
  1. Carefully install the inboard charge air cooler cooling tubes.
    2. Fig 2: Restrictor Plates
    GM1646471Courtesy of GENERAL MOTORS CORP.
  2. The charge air cooler cooling inboard tubes are installed with the restrictor plates (1) to the front of the supercharger, towards the drive belt pulley.
    3. Fig 3: Aligning Cooling Tube Notches
    GM1687879Courtesy of GENERAL MOTORS CORP.
  3. Align the wide notch at a 45 degree angle up from horizontal and outboard as shown.
    4. Fig 4: Outboard Charge Air Cooler Cooling Tubes
    GM1687870Courtesy of GENERAL MOTORS CORP.
  4. Carefully install the outboard charge air cooler cooling tubes.
    5. Fig 5: Restrictor Plates
    GM1646471Courtesy of GENERAL MOTORS CORP.
  5. The charge air cooler cooling outboard tubes are installed with the restrictor plates (1) to the rear of the supercharger. The open end of the cooling tube will be to the front of the supercharger, towards the drive belt pulley.
    6. Fig 6: Aligning Cooler Tube Notches
    GM1687877Courtesy of GENERAL MOTORS CORP.
  6. Align the wide notch at a 45 degree angle up from horizontal and outboard as shown.
    7. Fig 7: Charge Air Cooler Cooling Tube Rear Spacers
    GM1644368Courtesy of GENERAL MOTORS CORP.
  7. Install the charge air cooler cooling tube rear spacers.
    8. Fig 8: Charge Air Cooler Cooling Tube Rear O-Rings
    GM1644367Courtesy of GENERAL MOTORS CORP.
  8. Install the NEW charge air cooler cooling tube rear O-rings.
    9. Fig 9: Charge Air Cooler Rear Manifold Gaskets
    GM1644361Courtesy of GENERAL MOTORS CORP.
  9. Install the NEW charge air cooler rear manifold gaskets.
    10. Fig 10: Charge Air Cooler Rear Manifold
    GM1644359Courtesy of GENERAL MOTORS CORP.
  10. Install the charge air cooler rear manifold.
    11. Fig 11: Charge Air Cooler Rear Manifold Bolts
    GM1644357Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  11. Install the charge air cooler rear manifold bolts.

    Tighten:  Tighten the charge air cooler rear manifold bolt to 10 N.m (89 lb in).

    12. Fig 12: Charge Air Cooler Cooling Tube Front Spacers
    GM1644352Courtesy of GENERAL MOTORS CORP.
  12. Install the charge air cooler cooling tube front spacers.
    13. Fig 13: Charge Air Cooler Cooling Tube Front O-Rings
    GM1644351Courtesy of GENERAL MOTORS CORP.
  13. Install the NEW charge air cooler cooling tube front O-rings.
    14. Fig 14: Charge Air Cooler Front Manifold Gasket
    GM1644347Courtesy of GENERAL MOTORS CORP.
  14. Install the NEW charge air cooler front manifold gasket.
    15. Fig 15: Charge Air Cooler Front Manifold
    GM1644346Courtesy of GENERAL MOTORS CORP.
  15. Install the charge air cooler front manifold.
    16. Fig 16: Charge Air Cooler Front Manifold Bolts
    GM1644344Courtesy of GENERAL MOTORS CORP.
  16. Install the charge air cooler front manifold bolts.

    Tighten:  Tighten the charge air cooler front manifold bolt to 10 N.m (89 lb in).

  17. Install the remaining portion of the charge air cooler front manifold. Refer to Charge Air Cooler Front Manifold Replacement .
  18. Install the front section of the supercharger inlet duct assembly. Refer to Supercharger Inlet Duct Assembly Replacement .
  19. Fill 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) .
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