Carefully remove electrical harness connectors from individual fuel injectors (9F593) as required.
Section 03-04B: Fuel Charging and Controls, 5.0L and 5.8L Engines | 1996 Vehicles Equipped with 5.0L and 5.8L SFI V-8 Engines Workshop Manual |
Removal
Perform Pre-Service procedures as described in Fuel Charging System in the Removal and Installation portion of this section.
Remove upper intake manifold (9424) as described in Section 03-01B, and fuel injection supply manifold (9F792) as described in Fuel Injection Supply Manifold in the Removal and Installation portion of this section.
Carefully remove electrical harness connectors from individual fuel injectors (9F593) as required.
Grasping fuel injector body, pull up while gently rocking fuel injector from side to side.
CAUTION: Do not attempt to clean the injector metering orifice with brushes.
NOTE: Deposit resistant injectors (DRI) do not need to be cleaned.
Inspect fuel injector O-rings (two per injector) for signs of deterioration. Replace as required.
Installation
CAUTION: Never use silicone grease. It will clog the fuel injectors.
Lubricate new O-rings with light grade oil XO-10W30-QSP or equivalent oil meeting Ford specification ESE-M2C153-E and install two on each fuel injector.
Install fuel injectors using light, twisting, pushing motion.
Install fuel injection supply manifold as described in Fuel Injection Supply Manifold in the Removal and Installation portion of this section.
Install electrical harness connectors to fuel injectors.
Install upper intake manifold as described in Section 03-01B. Perform Post-Service procedures as described in Fuel Charging System in the Removal and Installation portion of this section.