Fuel Pressure Regulator: Service and Repair
TOOLS REQUIRED- J 34730-1A Fuel Pressure Gauge
- J 37088-A Tool Set, Fuel Line Quick Connect Separator
REMOVAL PROCEDURE
1. Disconnect the negative battery cable.
CAUTION: Refer to the Battery Disconnect Caution in Service Precautions.
2. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief Procedure.
3. Raise the vehicle. Refer to Vehicle Lifting.
CAUTION: Refer to Vehicle Lifting Caution in Service Precautions.
4. For automatic transmission-equipped vehicles only, lower the left muffler. Refer to Muffler Replacement - Left or Muffler Replacement - Right in Exhaust System.
5. Clean all the fuel filter and pressure regulator connections, and clean the surrounding areas before disconnecting the fuel pipes in order to avoid possible fuel system contamination.
6. Disconnect the fuel feed pipe quick-connect fitting (1) from the fuel filter and pressure regulator (2).
7. Disconnect the fuel return pipe quick-connect fitting (4) from the fuel filter/pressure regulator (2).
8. Remove the fuel filter and pressure regulator bracket mount nut (2).
9. Disconnect the fuel feed pipe (3) from the outlet side of the fuel filter and pressure regulator (2).
10. Remove the fuel filter/pressure regulator and bracket (1) from the stud (3).
11. Cap the fuel pipes in order to prevent possible fuel system contamination.
12. Disconnect the fuel system ground strap.
13. Remove the fuel and pressure regulator from the bracket.
INSTALLATION PROCEDURE
1. Remove the protective caps from the new fuel filter/pressure regulator.
2. Install the new plastic quick connector retainers on the fuel filter and pressure regulator tubes. Install the new retainers in the same positions as on the old fuel filter and pressure regulator.
3. Install the fuel filter and pressure regulator into the bracket.
4. Connect the fuel system ground strap.
5. Remove the caps from the fuel pipes.
6. Connect the fuel feed pipe (3) to the outlet side of the fuel filter/pressure regulator (2).
7. Install the fuel filter/pressure regulator and the bracket (1) to the mounting stud (3).
8. Engage the anti-rotation tab (3) of the fuel filter/pressure regulator bracket (2) into the hole of the tunnel reinforcement (1).
9. Install the fuel filter/pressure regulator bracket nut (2).
NOTE: Refer to the Fastener Notice in Service Precautions.
Tighten
Tighten the fuel filter/pressure regulator bracket nut to 5 N.m (44 lb in).
10. Connect the fuel return pipe quick-connect fitting (4) to the fuel filter/pressure regulator (2).
11. Connect the fuel feed pipe quick-connect fitting (1) to the fuel filter/pressure regulator (2).
12. Raise the left muffler, for automatic transmission- equipped vehicles only. Refer to Muffler Replacement - Left or Muffler Replacement - Right in Exhaust System.
13. Lower the vehicle.
14. Tighten the fuel filler cap.
15. Connect the negative battery cable.
16. Inspect for leaks.
16.1. Turn the ignition switch ON for 2 seconds.
16.2. Turn the ignition switch OFF for 10 seconds.
16.3. Turn the ignition switch ON.
16.4. Inspect for fuel leaks.
17. Program the transmitters. Refer to Transmitter Programming in Keyless Entry.