Fuel Pressure Regulator: Replacement

REMOVE AIR CLEANER HOSE
REMOVE INTAKE AIR CONNECTOR (See CYLINDER HEAD (5VZ-FE) )
DISCONNECT FUEL RETURN HOSE FROM FUEL PRESSURE REGULATOR
CAUTION: Put a shop rag under the pressure regulator.
REMOVE FUEL PRESSURE REGULATOR
1. Remove the bolt holding the engine wire to the LH cylinder head cover.
2. Disconnect the protector from the bracket on the RH cylinder head cover, and lift up the engine wire.
3. Remove the 2 bolts, and pull out the pressure regulator.
4. Remove the O-ring from the pressure regulator.
Fig 1: Removing 2 Bolts, And Pull Out Pressure Regulator
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REINSTALL FUEL PRESSURE REGULATOR
1. Apply a light coat of gasoline to a new O-ring, and install it to the pressure regulator.
2. Attach the pressure regulator to the LH delivery pipe.
  
  Fig 2: Applying Light Coat Of Gasoline To A New O-Ring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check that the pressure regulator rotates smoothly.
  NOTE: If it does not rotate smoothly, the O-ring may be pinched, so remove the pressure regulator and repeat steps (a) to (c) above.
4. Install the pressure regulator with the 2 bolts.
  Torque: 8 N.m (80 kgf.cm, 71 in.-lbf)
5. Install the engine wire with the bolt.
RECONNECT FUEL RETURN HOSE TO FUEL PRESSURE REGULATOR
NOTE: Be sure to insert the hose up to the stopper and clip it.
REINSTALL INTAKE AIR CONNECTOR (See ENGINE UNIT (2WD) (5VZ-FE) )
REINSTALL AIR CLEANER HOSE
CHECK FOR FUEL LEAKS

Fig 3: Checking Pressure Regulator Rotates
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002