Fuel Injector: Service and Repair
FUEL INJECTOR ASSEMBLYREPLACEMENT
1. WORK FOR PREVENTING GASOLINE FROM SPILLING OUT
2. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE
3. REMOVE ENGINE COVER SUB-ASSY NO.1
4. DISCONNECT FUEL TUBE SUB-ASSY
5. REMOVE FUEL DELIVERY PIPE W/INJECTOR
NOTE: Be careful not to drop the injectors when removing the delivery pipe.
a. Remove the ventilation hose No.2.
b. Disconnect 4 injector connectors from the injector.
c. Remove 2 clamp and wire harness from the delivery pipe.
d. Remove 2 bolts and delivery pipe together with 4 injector.
e. Remove 2 spacers from the cylinder head.
6. REMOVE FUEL INJECTOR ASSY
a. Pull out 4 injector from the delivery pipe.
7. INSTALL FUEL INJECTOR ASSY
a. Install the new insulator to each injector.
b. Apply a light coat of spindle oil or gasoline to new O-ring and install them to each injector.
c. Apply a light coat of spindle oil or gasoline on the place where a delivery pipe touches on O-ring.
d. While turning the injector clockwise and counterclockwise, push it to the delivery pipes. install 4 injectors.
NOTE:
- Be careful not to twist the O-ring.
- After installing injectors, check that they turns smoothly. If an injector does not, reinstall it with a new O-ring.
e. Position the injector connector downward.
8. INSTALL FUEL DELIVERY PIPE W/INJECTOR
a. Place 2 spacers in position on the cylinder head.
b. Place the delivery pipe together with 4 injectors in position on the cylinder head.
c. Temporarily install 2 bolts holding the delivery pipe to the cylinder.
d. Check that the injectors rotate smoothly.
HINT: If injectors do not rotate smoothly, the probable cause is incorrect installation of O-ring. Replace the O-ring.
e. Position the injector connector outward.
f. Tighten 2 bolts holding the delivery pipe to the cylinder head.
Torque: 20 N.m (204 kgf.cm, 15 ft.lbf)
9. INSPECT FUEL LEAK