Section 03-04A: Fuel Charging and Controls, 4.9L Engine
1996 Vehicles Equipped with 4.9L SFI Engines Workshop Manual
REMOVAL AND INSTALLATION

Fuel Injectors

Removal

  1. Perform Pre-Service Procedures as described in Fuel Charging System in the Removal and Installation portion of this section.

  1. Remove upper intake manifold (9424) as described in Section 03-01A.

  1. Carefully remove electrical harness connectors from individual fuel injectors (9F593) as required.

  1. Remove fuel injection supply manifold (9D280) as described in Fuel Injection Supply Manifold in the Removal and Installation portion of this section.

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

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

Installation

  1.  CAUTION: Never use silicone grease. It will clog the fuel injectors.

    Lubricate new O-rings with light grade oil XO-10W30-QSP meeting Ford specification ESE-M2C153-E or equivalent and install two on each fuel injector.

  1. Install fuel injection supply manifolds using a light, twisting, pushing motion.

  1. Install fuel injection supply manifold as described in Fuel Injection Supply Manifold in the Removal and Installation portion of this section.

  1. Install electrical harness connectors to fuel injectors.

  1. Install upper intake manifold as described in Section 03-01A.

  1. Perform Post-Service Procedures as described in Fuel Charging System in the Removal and Installation portion of this section.