Removal Procedure

Important:  During disassembly, keep the valve train components together and identified in order to install the parts in the original locations.

1. Remove lower intake manifold. Refer to Intake Manifold Replacement - Lower 
2. Remove the exhaust crossover. Refer to EXHAUST CROSSOVER PIPE REPLACEMENT in Engine Exhaust.
3. Remove oil level indicator and tube. Refer to Oil Level Indicator and Tube Replacement  .
4. Remove and discard the cylinder head bolts.
5. Remove the cylinder head.
6. Clean the mating surfaces of the following items:
   • The cylinder head
   • The cylinder block
   • The intake manifold
7. Clean the cylinder block bolt threads.
8. Clean the cylinder head bolts.
9. If replacing cylinder head:
   • Remove exhaust manifold. Refer to EXHAUST MANIFOLD REPLACEMENT - LEFT in Engine Exhaust.
   • Remove engine lift bracket.
   • Remove spark plugs.

Fig 1: Cylinder Head & Bolts

Courtesy of GENERAL MOTORS CORP.