Fuel Injector

Removal

1. Perform Steps 1 through 4 under Fuel Charging System, Pre-Service Procedures.

2. Remove upper intake manifold (9424) as outlined in Section 03-01B.

3. Carefully remove fuel charging wiring connectors from fuel injectors (9F593) as required.

4. Remove fuel injection supply manifold (9F792) as outlined.
   
   
   
   

5. Grasping fuel injector body, pull up while gently rocking fuel injector from side-to-side.

6. Inspect fuel injector O-rings (two per fuel injector ) for signs of deterioration. Replace as required.

7. Inspect fuel injector end cap (covering the injector needle) and washer for signs of dirt and deterioration.
   
   
   
   

Installation

NOTE: Never use silicone grease. Silicone grease will clog the fuel injectors .

1. Lubricate fuel injectors O-rings with light grade oil XO-10W30-QSP meeting Ford Specification ESE-M2C135-E or equivalent and install two on each fuel injector (if removed).

2. Install fuel injectors , using a light, twisting, pushing motion.

3. Install fuel injection supply manifold as outlined.

4. Install fuel charging wiring connectors to fuel injector .

5. Install upper intake manifold as outlined. Perform Steps 1 through 6 of Fuel Charging System Post-Service Procedures .