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Home >> GMC >> 1993 >> Forward Control 7.4 N >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 6.2L V8 Diesel - VIN [J] >> Removal & Installation >> Cylinder Head >> Removal

Cylinder Head: Removal

  1. Remove intake manifold. See INTAKE MANIFOLD  under REMOVAL & INSTALLATION. Remove injection line clips from brackets. Disconnect injection lines from injector nozzles.
  2. Disconnect injection lines from injection pump. Remove injection lines. Remove upper fan shroud. Raise and support vehicle. Disconnect exhaust pipe from manifold. Lower vehicle.
  3. Remove valve covers. Mark component location for reassembly reference, including crankshaft position. Remove rocker arm bolts and rocker arm shafts. Note hardened upper end of push rod, indicated by paint stripe. Mark push rods if no paint stripe is visible. Remove push rods.
  4. Drain coolant. Remove air cleaner resonator and bracket. Remove transmission fluid and engine oil dipstick tubes. Disconnect necessary coolant hoses. Remove alternator and upper bracket. Remove coolant crossover pipe. Remove power steering pump.
  5. Disconnect necessary coolant hoses and ground straps. Remove coolant crossover pipe. Remove cylinder head bolts (rear bolt in left cylinder head may need to remain in head during removal). Remove cylinder head bolts, cylinder head and gasket.
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