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Home >> GMC >> 1994 >> Forward Control 4.3 Z, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System (Diesel) >> Injection Pump >> Removal ("P" Series)
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Removal ("P" Series)

  1. Disconnect negative battery cable. Remove intake manifold assembly. Install Protective Covers (J-29664-1) in intake ports. Remove fuel injection lines. Disconnect wiring, fuel return line, fuel supply line, and fuel injection lines at pump. Cap all openings.
  2. Remove A/C hose retainer bracket (if equipped). Remove oil filler tube and vent hose assembly. Remove grommet. Scribe or paint alignment mark on front cover and injection pump flange.
  3. Rotate engine to remove injection pump-to-drive gear retaining bolts accessible through oil filler neck hole. Remove injection pump mount nuts. Remove injection pump and gasket. See Figure.
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