Cylinder Head: Removal

Disconnect negative battery cable. Raise and support vehicle. Drain cooling system. Drain engine oil. Lower vehicle. Remove upper intake manifold. See UPPER INTAKE MANIFOLD . Remove lower intake manifold. See LOWER INTAKE MANIFOLD .
Mark position of rocker arms and push rods. Remove rocker arm bolts. Remove rocker arms and push rods. Remove exhaust crossover pipe. Remove right engine mount strut bracket. Remove oil level indicator tube. Remove spark plug wires.
Remove spark plugs. Remove exhaust manifold. See EXHAUST MANIFOLDS . Remove cylinder head retaining bolts in reverse order. Discard Bolts. See Fig 1. Remove cylinder head and gasket.

Fig 1: Cylinder Head Bolt Tightening Sequence

Courtesy of GENERAL MOTORS CORP.