Fuel Pressure Regulator: Service and Repair

REMOVAL

NOTE: THE FUEL PRESSURE REGULATOR IS ON THE PASSENGER SIDE OF THE FUEL TANK.

1. Release the fuel pressure, refer to the Fuel Pressure Release Procedure in this section.
2. Disconnect negative battery cable.
3. Remove fuel tank.
4. Vacuum area before removing module lock ring.
5. Disconnect lines from top of the module.
6. Remove module lock ring.

NOTE: Use a brass punch to remove the 1/4 turn lock ring.

7. Drain fuel tank, use an approved gasoline draining station.
8. Remove module from fuel tank.

Ground Removed:

9. Remove wire from side of regulator, depressed tab on the connector in order to remove the ground wire.
10. Use a socket to compress the 4 tabs that retain regulator.
11. Pry up regulator and remove regulator and O-rings.


INSTALLATION

NOTE: The O-rings should be placed on the regulator first, to prevent them from being rolled out of position during regulator install.

1. Lightly lubricate the O-rings with clean engine oil and place them onto regulator.
2. Push regulator down and into place.
3. Install ground wire.
4. Install module and gasket seal.
5. Ensure seal is properly positioned in fuel tank groove.
6. Install the module lock ring.

NOTE: Use a brass punch to Install the 1/4 turn lock ring. Make sure all 5 tabs are properly seated.

7. Connect fuel line and vapor lines.
8. Install fuel tank.
9. Connect negative battery cable.
10. Fill fuel tank. Use the DRBIII(R) scan tool to pressurize the fuel system. Check for leaks.