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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 6.2L V8 Diesel - VINS [C,J] >> Removal & Installation >> Injection Pump >> Removal

Injection Pump: Removal

  1. Disconnect batteries. Remove intake manifold. See INTAKE MANIFOLD. Remove fuel injection lines. Disconnect control cables from injection pump.
  2. Disconnect wiring, fuel return line and fuel supply line from injection pump. Cap all fuel line openings. Remove A/C hose retainer bracket (if equipped). Remove oil filler tube and vent hose assembly. Remove grommet.
  3. Scribe an alignment mark on front cover and injection pump flange. Remove injection pump gear-to-injection pump bolts, accessible through oil filler neck hole (rotate crankshaft as necessary). Remove injection pump mounting nuts. Remove injection pump and gasket.
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