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Home >> GMC >> 1981 >> Magnavan Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engines - 5.0L & 5.7L V8 Engines >> Cylinder Head & Manifold >> Cylinder Head >> Removal

Cylinder Head: Removal

  1. Remove intake manifold as previously outlined. Remove alternator lower mounting bolt and lay unit aside. Remove carburetor air heater from exhaust manifold (if equipped). Remove spark plug shields. Disconnect exhaust pipes at exhaust manifolds. Remove exhaust manifolds.
  2. If equipped with air conditioning, remove compressor (without disconnect lines) and lay out of way. Remove forward mounting bracket. If equipped with A.I.R., disconnect rubber hose at check valve. It will not be necessary to remove A.I.R. tubing manifolds from cylinder heads.
  3. Disconnect ventilation hose from valve cover. Remove valve covers. Loosen rocker arm nuts and pivot rocker arms to side. Remove push rods. Mark or identify push rods to ensure that they are installed in original positions.
  4. Drain cylinder block of coolant. Remove all cylinder head bolts. Pry cylinder head loose from cylinder block and remove head.
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