Supercharger Replacement for Pontiac Grand Prix 1997

Caution: Remove the fuel tank cap and relieve the fuel system pressure before servicing the fuel system in order to reduce the risk of personal injury. After you relieve the fuel system pressure, a small amount of fuel may be released when servicing the fuel lines, the fuel injection pump, or the connections. In order to reduce the risk of personal injury, cover the fuel system components with a shop towel before disconnection. This will catch any fuel that may leak out. Place the towel in an approved container when the disconnection is complete.

Notice: Servicing of the supercharger unit itself is limited to replacement only. No attempt should be made to disassemble the supercharger, as parts damage may result.

1. Disconnect the negative battery cable. Refer to

   Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

   in General Information.
2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
3. Depressurize the fuel system. Refer to Engine Controls.
4. Remove the supercharger drive belt. Refer to Drive Belt Replacement (VIN 1) .
5. Disconnect the right (rear) spark plug wires from the ignition module and set the spark plug wires aside. Refer to Ignition System.
6. Remove the generator brace. Refer to Charging System.
7. Disconnect the electrical connectors from the fuel injectors. Refer to Engine Control.
8. Remove the MAP sensor bracket. Refer to Engine Control.
9. Disconnect the fuel lines. Refer to Engine Control.
10. Remove the fuel rail mounting bolts and the fuel rail with the fuel injectors. Refer to Engine Controls.
11. Remove the boost control solenoid. Refer to Engine Control.



12. Remove the throttle body. Refer to Engine Control.



13. Remove the supercharger.
14. Clean the lower intake manifold-to-supercharger mating surfaces.

Important: Do not use any sealer on the gasket.




1. Install the new supercharger-to-lower intake manifold gasket.
2. Install the supercharger.
3. Install the supercharger bolts.

Tighten
Tighten the bolts to 23 N·m (17 lb ft).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.




4. Install the throttle body to the supercharger. Refer to Engine Control.
5. Install the boost control solenoid. Refer to Engine Control.
6. Install the fuel injectors with the fuel rail. Refer to Engine Control.
7. Connect the fuel lines. Refer to Engine Control.
8. Install the MAP sensor bracket. Refer to Engine Control.
9. Connect the electrical connectors to the fuel injectors. Refer to Engine Control.
10. Install the generator brace. Refer to Charging System.
11. Connect the right (rear) spark plug wires to the ignition module. Refer to Ignition System.
12. Install the supercharger drive belt. Refer to Drive Belt Replacement (VIN 1) .
13. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
14. Connect the negative battery cable. Refer to Battery.