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Home >> Ford >> 1994 >> Pickup F250, 2D Pickup, 4.9 Y, Standard, M5OD-R2 >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System (Gasoline) >> Upper Intake Manifold & Throttle Body >> Removal (4.9L)
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Removal (4.9L)

  1. Unplug electrical connectors at EGR Valve Positioner (EVP) sensor located on EGR valve. Disconnect throttle position sensor and air by-pass valve. Label and disconnect all vacuum hoses connected to upper intake manifold and throttle body assembly.
  2. Disconnect PCV hose from fitting located on side of intake manifold. See Figure. Remove throttle linkage shield. Disconnect throttle linkage and cruise control cables. Disconnect accelerator cable from bracket. Position cable aside.
  3. Disconnect air inlet hoses from throttle body. Disconnect EGR tube from EGR valve and exhaust manifold. Remove air injection tube assembly from lower intake manifold.
  4. Remove nut attaching air injection by-pass valve bracket to lower intake manifold.
  5. On all models, remove upper intake manifold retaining studs. Remove screw and washer which retain upper intake manifold support bracket to intake manifold. Remove upper intake manifold and throttle body as an assembly.
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