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Home >> Ford >> 1998 >> Econoline XLT >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine - 7.3L (99F E Series & 99F F450/550) V8 Turbo Diesel - VIN F) >> Removal & Installation >> Fuel Injector >> Removal

Fuel Injector: Removal

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect negative battery cables. Loosen drain plugs at rear of each cylinder head and drain fuel from heads. Remove necessary components for access to valve covers. Remove valve covers. Note location of wires on fuel injector for installation reference. Disconnect engine wiring harness wires from fuel injector. DO NOT pierce any wires in engine wiring harness.
    CAUTION: Remove oil rail drain plugs from cylinder head before removing fuel injector. Oil rail drain plugs are located inside cylinder head. See Fig 1.
  2. Remove oil rail drain plugs from cylinder head. Oil rail drain plugs are located on inside of cylinder head, near push rods. See Fig 1.
  3. Remove oil deflector retaining bolt and oil deflector from cylinder head. See Fig 2. Remove fuel injector retaining bolt. See Fig 1.
    Fig 1: Locating Oil Rail Drain Plug & Fuel Injector Retaining Bolt
    G95H27877Courtesy of FORD MOTOR CO.
    Fig 2: Locating Oil Deflector, Oil Deflector Retaining Bolt Fuel Injector Shoulder Bolt & Rocker Arm Bolts
    G97B03754Courtesy of FORD MOTOR CO.
  4. Using Fuel Injector Remover (T94T-9000-AH1), remove fuel injector from cylinder head. See Fig 3. Ensure all cushion rings, seals and copper washer are still on fuel injector. See Fig 4. Remove any cushion rings, seals or copper washer from fuel injector sleeve in cylinder head if they are not on fuel injector.
    CAUTION: DO NOT disassemble fuel injector. If fuel injector is disassembled, fuel injector calibration will be incorrect.
    NOTE: Remove cylinder head for servicing of fuel injector sleeve. See CYLINDER HEAD .
  5. If removing fuel injector sleeve from cylinder head, install plug from Fuel Injector Sleeve Tap (D94T-9000B) in fuel injector sleeve to prevent debris from falling into cylinder. Install tap and tap pilot into fuel injector sleeve and tighten 1 1/2 - 2 full turns.
  6. Install slide hammer onto fuel injector sleeve tap. Using slide hammer, pull fuel injector sleeve from cylinder head. Remove fuel injector sleeve tap from fuel injector sleeve.
Fig 3: Removing & Installing Fuel Injector
G97G03756Courtesy of FORD MOTOR CO.
Fig 4: Locating Back-Up Ring, Cushion Rings, Seals & Copper Washer On Fuel Injector
G99G03799Courtesy of FORD MOTOR CO.
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