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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 88 (Fuel Charging System & Fuel Control System - 6.7L Diesel -- F250-F550 Super Duty) >> Removal And Installation >> Fuel Injection Pump - High Pressure >> High-Pressure Fuel Injection Pump >> Removal

High-Pressure Fuel Injection Pump: Removal

WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: During the repair or installation of fuel-related components, cap, tape or otherwise appropriately protect all fuel openings to prevent the ingress of dirt or other contamination. Remove caps, tape and other protective materials prior to installation.
    WARNING: Do not work on the fuel system until the pressure has been released and the engine has cooled. Fuel in the high-pressure fuel system is hot and under very high pressure. High-pressure fuel may cause cuts and contact with hot fuel may cause burns. Failure to follow these instructions may result in serious personal injury.
  1. Release the fuel system pressure. For additional information, refer to FUEL SYSTEM - GENERAL INFORMATION - GASOLINE AND DIESEL .
  2. Remove the fuel rail supply tube. For additional information, refer to FUEL RAIL SUPPLY TUBE .
  3. Remove the vacuum pump. For additional information, refer to POWER BRAKE ACTUATION .
  4. Using the Dial Indicator Gauge with Holding Fixture and the Clutch Housing Gauge, check the high-pressure fuel injection pump drive gear backlash. For additional information, refer to SPECIFICATIONS .
    Fig 1: Checking High-Pressure Fuel Injection Pump Drive Gear Backlash
    G07481742Courtesy of FORD MOTOR CO.
    5. NOTE: The crankshaft gear contains a single timing mark. The camshaft drive gear contains a single timing mark and a double timing mark. The high-pressure fuel injection pump drive gear contains a double timing mark.
    The engine is timed correctly when the single mark on the crankshaft drive gear is aligned with the double mark on the camshaft drive gear, and the single mark on the camshaft drive gear is aligned with the double mark on the high-pressure fuel injection pump drive gear. Additionally, the keyway on the high-pressure fuel injection pump drive gear must be in the 12 o'clock position.
    NOTE: Engine front cover removed for clarity.
    Fig 2: Identifying Single Mark On Camshaft Drive Gear And Double Mark On High-Pressure Fuel Injection Pump Drive Gear
    G07481743Courtesy of FORD MOTOR CO.
  5. Rotate the crankshaft clockwise, as viewed from the front, until the single mark on the camshaft drive gear and the double mark on the high-pressure fuel injection pump drive gear are aligned.
  6. Remove the high-pressure fuel injection pump drive gear nut.
  7. Using the Universal Puller or equivalent, remove the high-pressure fuel injection pump drive gear.
    Fig 3: Locating High-Pressure Fuel Injection Pump Drive Gear Nut
    G07481744Courtesy of FORD MOTOR CO.
  8. Remove the 2 fuel rail supply tube bracket bolts and the fuel rail supply tube bracket from the rear of the high-pressure fuel injection pump.
  9. Disconnect the volume control valve electrical connector from the top of the high-pressure fuel injection pump.
  10. Remove the 3 high-pressure fuel injection pump spacers.
    11. NOTE: Do not pry against the mating surface of the high-pressure fuel injection pump or damage to the high-pressure fuel injection pump may occur.
  11. Slide the high-pressure fuel injection pump off the mounting studs and remove the high-pressure fuel injection pump.
    • Remove and discard the high-pressure fuel injection pump mounting O-ring.
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