Fuel Pressure Regulator: Service and Repair

1. DISCONNECT DLC1 FROM BRACKET
2. DISCONNECT VACUUM SENSING HOSE FROM FUEL PRESSURE REGULATOR
3. DISCONNECT FUEL RETURN PIPE FROM FUEL PRESSURE REGULATOR
- Remove the union bolt and 2 gaskets, and disconnect the fuel pipe from the pressure regulator.

CAUTION:
- Put a shop rag under the pressure regulator.
- Slowly loosen the union bolt.





4. REMOVE FUEL PRESSURE REGULATOR
- Remove the 2 bolts and pressure regulator.
- Remove the O-ring from the pressure regulator.









FUEL PRESSURE REGULATOR INSTALLATION
1. INSTALL FUEL PRESSURE REGULATOR
- Apply a light coat of gasoline to a new O-ring. and install it to the pressure regulator.
- Attach the pressure regulator to the delivery pipe.
- Check that the pressure regulator rotates smoothly.

NOTICE: If it does not rotate smoothly. the O-ring may be pinched, so remove the pressure regulator and do steps (b) end (c) again.





- Install the pressure regulator with the 2 bolts.

Torque: 8.8 N.m (90 kgf.cm, 78 in..lb.)

2. CONNECT FUEL RETURN PIPE TO FUEL PRESSURE REGULATOR
- Connect the fuel pipe to the pressure regulator with 2 new gaskets and the union bolt.

Torque: 27 N.m (280 kgf.cm, 20 ft.lb.)

3. CONNECT VACUUM SENSING HOSE TO FUEL PRESSURE REGULATOR.
4. CONNECT DLC1 TO BRACKET.
5. CHECK FOR FUEL LEAKS.