Removal (3.8L - VIN 1)
WARNING: This page is about a different car, the 2002 Pontiac Grand Prix, 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, 2002 Buick Regal, and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE under FUEL SYSTEMS. Remove fuel injector sight shield (upper engine cover) from engine. Remove the Exhaust Gas Recirculation (EGR) valve heat shield nut, bolt and the heat shield.
- Lift or rotate the supercharger drive belt tensioner using a 15-mm box end wrench on the pulley nut. Remove the supercharger drive belt. Remove the right spark plug wires from the ignition coils and reposition. Remove the MAP sensor bracket. Remove the fuel rail assembly. See FUEL RAIL & INJECTORS under FUEL SYSTEMS.
- Disconnect the vacuum lines and wiring harness connectors as necessary. Remove the accelerator and the cruise control cables with the bracket from the throttle body. Remove the air cleaner intake duct. Remove the supercharger bolts. Remove the supercharger. Remove the supercharger gasket.
- Remove the supercharger "O" ring seals. Clean the supercharger mating surfaces. If replacing the supercharger remove the throttle body, PCV valve, supercharger bypass valve and manifold vacuum source.