Fuel Injector: Service and Repair

REMOVAL

WARNING:
^ DO NOT SMOKE OR CARRY LIGHTED TOBACCO OR OPEN FLAME OF ANY TYPE WHEN WORKING ON OR NEAR ANY FUEL-RELATED COMPONENTS. HIGHLY FLAMMABLE MIXTURES ARE ALWAYS PRESENT AND MAY BE IGNITED. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.
^ FUEL IN THE FUEL SYSTEM REMAINS UNDER HIGH PRESSURE EVEN WHEN THE ENGINE IS NOT RUNNING. BEFORE WORKING ON OR DISCONNECTING ANY OF THE FUEL LINES OR FUEL SYSTEM COMPONENTS, THE FUEL SYSTEM PRESSURE MUST BE RELIEVED. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.

1. Remove the fuel injection supply manifold. For additional information, refer to Fuel Rail.







2. Remove the fuel injector retaining clips and the fuel injectors. Inspect the fuel injector O-ring seals and, if necessary, install new O-ring seals.

CAUTION: The fuel injectors are deposit-resistant. Do not clean the fuel injectors.

INSTALLATION
1. To install, reverse the removal procedure.

CAUTION: Install the injector clips in the uppermost groove of the fuel injectors.

NOTE: Lubricate new O-ring seals with clean Super Premium SAE 5W-30 Motor Oil XO-5W30-QSP or equivalent meeting Ford specification WSS-M2C153-G, to aid installation.