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Home >> Ford >> 2000 >> Excursion 7.3 F, RWD >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine - 7.3L (99F E Series & 99F F450/550) V8 Turbo Diesel - VIN F >> Removal & Installation >> Rocker Arm Assembly & Push Rod >> Removal (Excursion & F250-F550 Super Duty)

Removal (Excursion & F250-F550 Super Duty)

  1. Disconnect negative battery cables. Remove charge air cooler inlet tube. Remove oil dipstick and dipstick tube. On driver-side of engine, remove air cleaner-to-air inlet duct. Loosen clamp, and remove crankcase breather hose. Remove 2 mounting bolts and remove air intake tube.
    2. WARNING: Injector Driver Module (IDM) supplies 115 volts DC to each fuel injector on engine wiring harness. DO NOT pierce any wires in engine wiring harness when servicing valve cover gasket and fuel injector.
  2. On both sides of engine, disconnect fuel injector/glow plug jumper 9-pin electrical connector. On driver-side, disconnect engine control sensor connector. On both sides of engine, remove 10 valve cover attaching bolts, and remove valve covers.
  3. Disconnect engine wiring harness wires from fuel injectors and glow plugs. DO NOT pierce any wires in engine wiring harness. Remove valve cover gasket from cylinder head.
  4. Remove rocker arm assembly bolts. See Figure. Remove rocker arm assembly. Note direction of push rod installation, as Copper end of push rod should be facing upward, toward rocker arm. Remove push rod. Mark rocker arm assembly and push rod location for installation reference.
  5. If disassembling rocker arm assembly, note location of components on rocker arm assembly. See Figure.
    NOTE: When disassembling rocker arm assembly, DO NOT lose steel ball.
  6. Remove retaining clip from rocker arm assembly. Remove rocker arm and steel ball from rocker arm pedestal. DO NOT lose steel ball from rocker arm.
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