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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Control System - 4.4L - Introduction (2 Of 2)) >> Repair Instructions >> Supercharger Bypass Valve Actuator Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the cross vehicle brace. Refer to Cross Vehicle Brace Replacement (DX) .
  2. Remove the engine sight shield. Refer to Intake Manifold Sight Shield Replacement .
  3. Remove the front section of the supercharger inlet duct. Refer to Supercharger Inlet Duct Assembly Replacement .
    4. Fig 1: Supercharger Bypass Regulator Solenoid Valve
    GM1614014Courtesy of GENERAL MOTORS CORP.
  4. Remove the supercharger bypass regulator solenoid valve (2). Refer to Supercharger Bypass Regulator Solenoid Valve Replacement .
  5. 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) .
    6. Fig 2: Supercharger Front Manifold
    GM1614613Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Do not allow coolant to contact the supercharger drive belt. Place a shop rag under the front portion of the supercharger to catch any remaining coolant.
  6. Remove the front portion of the supercharger front manifold (2). It is not necessary to remove the hoses from the manifold. Position the hoses with manifold aside. Refer to Charge Air Cooler Front Manifold Replacement .
    7. Fig 3: Vacuum Lines
    GM1644599Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the vacuum lines (3, 4) from the supercharger bypass actuator valve.
  8. Remove the actuator mounting bolts (1, 2).
    9. Fig 4: Bypass Valve Actuator Rod
    GM1644312Courtesy of GENERAL MOTORS CORP.
  9. The bypass valve actuator rod is keyed with the bypass valve actuator cable.
  10. Remove the fuel line from the clip on the front of the supercharger. Position the fuel line aside using mechanics wire.
  11. Push the bypass valve actuator downward in order to remove the bypass valve actuator rod from the bypass valve actuator cable. The downward pressure will rotate the end of the cable into the proper position so that the actuator rod can be removed from the cable end. Use a flat blade screwdriver if necessary, to disengage the rod from the cable end.
  12. Remove the supercharger bypass valve actuator from the vehicle.
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