Fuel Pressure Regulator: Service and Repair

COMPONENTS FOR REMOVAL AND INSTALLATION

FUEL PRESSURE REGULATOR REMOVAL

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 return pipe from the pressure regulator.

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

4. REMOVE FUEL PRESSURE REGULATOR





(a) Remove the 2 bolts and pull out the pressure regulator.
(b) Remove the O-ring from the pressure regulator.

FUEL PRESSURE REGULATOR INSTALLATION

1. INSTALL FUEL PRESSURE REGULATOR





(a) Apply a light coat of gasoline to a new O-ring and install it to the pressure regulator.
(b) Attach the pressure regulator to the delivery pipe.





(c) 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 perform again steps (b) and (c) above.

(d) Install the pressure regulator with the 2 bolts.

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





2. CONNECT FUEL RETURN PIPE TO FUEL PRESSURE REGULATOR
Install the return pipe with 2 new gaskets and the union bolt.

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

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