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Home >> GMC >> 1983 >> Forward Control 5.7 M, Automatic, 475/M40 >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 6.2L V8 Diesel - VINS [C,J] >> Removal & Installation >> Cylinder Head >> Removal (Van)

Removal (Van)

  1. Remove intake manifold. Install protective covers. Remove injection line clips from brackets. Raise vehicle. Disconnect injection lines from injector nozzles and cover nozzles.
  2. Lower vehicle. Remove injection lines at pump and tag lines for reinstallation. If equipped with cruise control, remove transducer. If A/C equipped, remove upper fan shroud and A/C belt.
  3. Raise vehicle. Disconnect exhaust pipes from manifolds. Remove left exhaust manifold. Remove power steering lower adjusting bolts.
  4. Disconnect glow plug wires and temperature switch. If A/C equipped, remove rear A/C brace from exhaust manifold. Disconnect glow plug wires.
  5. Lower vehicle. If A/C equipped, discharge A/C system, disconnect A/C lines at compressor and remove compressor from brackets and remove compressor. Remove upper power steering attachment and move aside.
  6. Loosen dipstick tube front bracket and remove from stud. Remove oil fill tube upper bracket. Disconnect T.V. cable. Remove glow plug controller and bracket. Remove glow plug relay.
  7. Disconnect oil pressure switch and loom. Remove loom bracket and vacuum line clip bolt at head. Remove rocker cover bolts. Disconnect fuel return line bracket. Remove rocker cover.
  8. Remove rocker arm assemblies and push rods making sure to note their positions to allow installation in the same location. Drain cooling system.
  9. Remove air cleaner resonator and bracket. Remove transmission fill tube nut and position aside. Disconnect heater, radiator and by-pass hoses at crossover.
  10. Remove alternator upper bracket, coolant crossover and cylinder head bolts. Disconnect transmission dipstick at rear of right head and remove tube. Remove cylinder head.