Tacoma 4WD L4-2.7L (3RZ-FE) (2004)
a. Place the 4 new insulators and in position on the spacers.
b. Place the 4 injectors together with the delivery pipe in position on the cylinder head.
c. Temporarily install the 2 bolts holding the delivery pipe to the cylinder head.
d. Check that the injectors rotate smoothly.
HINT: If injectors do not rotate smoothly, the probable cause is incorrect installation of O-rings. Replace the O-rings.
e. Position the injector connector upward.
f.
Tighten the 2 bolts holding the delivery pipe to the cylinder head.
Torque: 21 N.m (210 kgf.cm, 15 ft.lbf)
g. Connect the fuel inlet pipe to the delivery pipe with 2 new gaskets and the union bolt.
Torque: 29 N.m (300 kgf.cm, 22 ft.lbf)
h. Connect the fuel return hose to the fuel pressure regulator.
i.
Connect the vacuum sensing hose to the fuel pressure regulator.
3. CONNECT INJECTOR CONNECTOR
4. INSTALL AIR CLEANER HOSE WITH RESONATOR AND INTAKE AIR CONNECTOR
FUEL SYSTEM
a. Observe these precautions when removing and installing the injectors.
1. Never reuse the O-ring.
2. When placing a new O-ring on the injector, take care not to damage it in any way.
3. Coat a new O-ring with spindle oil or gasoline before installing-never use engine, gear or brake oil.