In-Line Fuel Filter Replacement. Oldsmobile Shelby Series 1 1999

For 1990-2009 cars

### Removal Procedure

#### Tools Required

J 34730-1A Fuel Pressure Gauge

Important:

• | There is no service interval for fuel filter replacement. Only replace a restricted fuel filter.

• | Inspect the fuel tank internally and clean the fuel tank if you find a restricted fuel filter.

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.

1. Disconnect the negative battery cable.
2. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief .

Caution: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed and strap the vehicle to the hoist.

3. Raise the vehicle. Refer to Lifting and Jacking Vehicle in General Information.
4. Clean all the fuel filter connections and the surrounding areas before disconnecting the fuel pipes in order to avoid possible contamination of the fuel system.
5. Disconnect both of the threaded fittings (1) from the fuel filter.
6. Cap the fuel pipes in order to prevent possible fuel system contamination.
7. Remove the fuel filter attaching screw (2) and the fuel filter bracket (3).
8. Slide the fuel filter (4) from the bracket (3).
9. Remove the fuel pipe O-ring.

### Installation Procedure

1. Slide the fuel filter (4) into the bracket (3).
2. Remove the caps from the fuel pipes.
3. Lubricate the new fuel pipe O-ring with clean engine oil.
4. Install the fuel pipe O-ring.
5. Install the fuel filter (4) to the mounting bracket (3).
6. Install the fuel filter bracket and the attaching screw (2).

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.

7. Connect both of the threaded fittings (1) to the fuel filter (4).

Tighten
Tighten the fuel filter fitting to 30 N·m (22 lb ft).

8. Lower the vehicle.
9. Tighten the fuel filler cap.
10. Connect the negative battery cable.
11. Inspect for leaks.

11.1. | Turn the ignition switch ON for 2 seconds.

11.2. | Turn the ignition switch OFF for 10 seconds.

11.3. | Turn the ignition switch ON.

11.4. | Check for fuel leaks.

12. Perform the Idle Learn Procedure. Refer to Idle Learn .