Fuel Injector: Service and Repair

FUEL INJECTOR REPLACEMENT

REMOVAL PROCEDURE
1. Remove the fuel rail assembly.




2. Remove the injector (5) hold down clip.

NOTE: Use care in removing the fuel injectors in order to prevent damage to the fuel injector electrical connector pins or the fuel injector nozzles. Do not immerse the fuel injector in any type of cleaner. The fuel injector is an electrical component and may be damaged by this cleaning method.

3. Remove the injector from the fuel rail with a pulling a twisting motion.
4. Repeat steps 2 and 3 for the remaining fuel injectors.

INSTALLATION PROCEDURE




1. Install the fuel injector (5) into the fuel rail (3, 4) using a new O-ring. Lubricate the new O-ring with petroleum jelly.

CAUTION: Refer to Compressed Natural Gas (CNG) O-Ring Caution in Service Precautions.

2. Install the fuel injector retainer clip.
3. Lubricate the new injector tip O-ring with clean engine oil.
4. Repeat steps 1, 2 and 3 for the remaining fuel injectors.
5. Install the fuel rail assembly.