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Fuel Injector: Service and Repair



Fuel Injector Replacement

Removal Procedure

Notice: 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.


Important: If the fuel injectors are found to be leaking, the engine oil may be contaminated with fuel.







1. Remove the fuel rail. Refer to Fuel Injection Fuel Rail Assembly Replacement (Service and Repair).
2. Remove the fuel injector retainers (1).
3. Remove the fuel injectors (3).
4. Remove the fuel injector upper (2) and lower (4) O-ring seals.



Installation Procedure

Important: The fuel injector assembly is stamped with a part number identification. Be sure to use the correct part number when ordering replacement fuel injectors.







1. Lubricate the NEW injector O-ring seals with clean engine oil.
2. Install the NEW fuel injector upper (2) and lower (4) O-ring seals.
3. Install the fuel injectors (3).
4. Instal the fuel injector retainers (1).
5. Install the fuel rail. Refer to Fuel Injection Fuel Rail Assembly Replacement (Service and Repair).


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