Fuel Injector: Service and Repair

Injector:

REMOVAL

1. REMOVE SUSPENSION UPPER BRACE
2. REMOVE NO.2 CYLINDER HEAD COVER
3. DISCONNECT PCV HOSE




4. DISCONNECT WIRE HARNESS CLAMPS
Disconnect the 3 wire harness clamps from the clamp brackets.




5. REMOVE INJECTORS
a. Disconnect the 4 injector connectors.
b. Remove the 2 bolts holding the delivery pipe to the cylinder head.

c. Disconnect the delivery pipe together with the 4 injectors from the cylinder head.

NOTE: Be careful not to drop the injectors when disconnecting the delivery pipe.

d. Remove the 2 spacers and 4 grommets.
e. Pull out the 4 injectors from the delivery pipe.
f. Remove the O-ring from each injector.

INSTALLATION

1. INSTALL INJECTORS AND DELIVERY PIPES




a. Apply a light coat of spindle oil or gasoline onto a new O-ring, and install it to each injector.




b. Install the 2 spacers and 4 new insulators to the cylinder head.




c. Apply a light coat of spindle oil or gasoline on the place where a delivery pipe touches the O-ring.
d. While turning the injector clockwise and counterclockwise, push it to the delivery pipes. Then install the 4 injectors.
e. Position the injector connector upward.




f. Attach the delivery pipe together with the 4 injectors to the cylinder head.
g. Temporarily install the 2 bolts to hold the delivery pipe to the cylinder head.




h. Check that the injectors rotate smoothly.

HINT: If injectors do not rotate smoothly, the possible cause is incorrect installation of the O-ring. Replace the O-ring.

i. Position the injector connector upward.




j. Tighten the 2 bolts holding the delivery pipe to the cylinder head.

Torque: 19 N.m (190 kgf.cm, 13 ft.lbf)

k. Connect the 4 injector connectors.




2. CONNECT WIRE HARNESS CLAMPS
Connect the 3 wire harness clamps to the clamp brackets.

3. CONNECT PCV HOSE
4. INSTALL NO.2 CYLINDER HEAD COVER
5. INSTALL SUSPENSION UPPER BRACE