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Home >> Cadillac >> 2008 >> STS V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.4L - Introduction >> Repair Instructions >> Supercharger Inlet Duct Assembly Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Rear Section Of Supercharger Inlet Duct
    GM1652890Courtesy of GENERAL MOTORS CORP.
  1. Install the rear section of the supercharger inlet duct assembly to the vehicle.
    2. Fig 2: Brake Booster Hose & EVAP Lines
    GM1644600Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  2. Tighten the rear screw clamp (4) on the inlet duct seal.

    Tighten:  Tighten the supercharger inlet seal screw clamp to 2.5 N.m (20 lb in).

  3. Install the brake booster hose (1) to the port on the rear of the supercharger.
  4. Connect the EVAP line fitting (5) to the chassis bundle.
  5. Connect the (EVAP) line fitting (2) to the EVAP valve.
    6. Fig 3: Air Inlet Housing Front Panel
    GM1644927Courtesy of GENERAL MOTORS CORP.
  6. Install the front air inlet housing panel (1). Refer to Air Inlet Housing Front Panel Replacement .
  7. Install the windshield wiper motor module assembly. Refer to Windshield Wiper System Module Replacement .
  8. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement .
  9. Install the windshield wiper arm assemblies. Refer to Windshield Wiper Arm Replacement .
  10. Install the hood assembly. Refer to Hood Replacement .
    11. Fig 4: Supercharger Inlet Duct Seals And Clamps
    GM1640656Courtesy of GENERAL MOTORS CORP.
  11. Install the front section of the supercharger inlet duct to the vehicle.
  12. Tighten the inlet duct screw clamps (2).

    Tighten:  Tighten the supercharger inlet seal screw clamps to 2.5 N.m (20 lb in).

  13. Install the ball studs (1) that retain the inlet duct to the supercharger. There are a total of 6 ball studs.

    Tighten:  Tighten the supercharger inlet duct ball studs to 10 N.m (89 lb in).

    14. Fig 5: PCV Hose Fitting
    GM1613993Courtesy of GENERAL MOTORS CORP.
  14. Connect the PCV hose fitting (1) to the underside of the inlet duct assembly. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement .
    15. Fig 6: Air Cleaner Outlet Duct
    GM1614080Courtesy of GENERAL MOTORS CORP.
  15. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  16. Install the engine sight shield. Refer to Intake Manifold Sight Shield Replacement .
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