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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1224 (Engine Mechanical - 3.8L (On-Vehicle)) >> Repair Instructions >> Supercharger Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. If replacing the supercharger install the following:
    • Manifold vacuum source
    • Supercharger bypass valve
    • Positive crankcase ventilation (PCV) valve
    • Throttle body
      Fig 1: Throttle Body
      G01703184Courtesy of GENERAL MOTORS CORP.
  2. Install the new supercharger O-ring seals.
    Fig 2: O-Ring Seals
    G01703185Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Do not use any sealer on the gasket.
  3. Install the new supercharger gasket.
  4. Install the supercharger.
    Fig 3: Supercharger Gasket
    G01703186Courtesy of GENERAL MOTORS CORP.
  5. Loosely install the supercharger right bolts.
    Fig 4: Supercharger Right Bolts
    G01703187Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE .
  6. Loosely install the supercharger left bolts.

    Tighten 

    Tighten the supercharger bolts starting from the center and working to the outside of the supercharger to 23 N.m (17 lb ft).

  7. Install the air cleaner intake duct. Refer to AIR CLEANER INTAKE DUCT .
  8. Install the accelerator and the cruise control cables with the bracket to the throttle body.
  9. Connect the electrical connectors to the following:
    • Intake air temperature (IAT) sensor
    • Idle air control (IAC) valve
    • Throttle position (T/P) sensor
    • Mass air flow (MAF) sensor
    • EVAP purge solenoid
    • Exhaust gas recirculation (EGR) valve
    • Supercharger bypass valve
      Fig 5: Supercharger Left Bolts
      G01703188Courtesy of GENERAL MOTORS CORP.
  10. Connect the vacuum lines to the following:
    • Manifold vacuum source
    • Supercharger bypass valve
    • Supercharger
    • Fuel pressure regulator valve
  11. Install the boost control solenoid. Refer to BOOST CONTROL SOLENOID .
  12. Install the fuel rail assembly. Refer to FUEL RAIL & INJECTORS .
  13. Install the MAP sensor bracket. Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR .
  14. Install the generator brace.
  15. Install the right spark plug wires to the ignition module.
  16. Install the supercharger drive belt. Refer to Drive Belt Replacement (L36)  or Drive Belt Replacement (L67) .
    Fig 6: Fuel Injector Rail Assembly
    G01703189Courtesy of GENERAL MOTORS CORP.
  17. Install the exhaust gas recirculation (EGR) valve heat shield, nut and bolt.

    Tighten 

    Tighten the EGR heat shield nut and bolt to 10 N.m (89 lb in).

  18. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (L36)  or Fuel Injector Sight Shield Replacement (L67) .
  19. Connect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE .
  20. Inspect for fluid or vacuum leaks.
    Fig 7: EGR Heat Shield
    G01703190Courtesy of GENERAL MOTORS CORP.
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