GM Service Manual Online
For 1990-2009 cars only

    Object Number: 182923  Size: SH
  1. Remove the engine accessory bracket.

  2. Object Number: 183448  Size: SH
  3. Remove the engine lift bracket from the rear of the engine.

  4. Object Number: 183438  Size: SH
  5. Remove the cylinder head bolts.
  6. Remove the cylinder head.

  7. Object Number: 409307  Size: SH

    Notice: Gasket and sealant material must be removed from the component's sealing surfaces before reassembly. Proper gasket and sealant removal is crucial and requires that the component sealing surfaces are not damaged during cleaning. Use only a plastic or wood gasket scraper such as J 28410. Appropriate chemical agents can be used to dissolve gasket and/or sealant materials when working on an individual unassembled component. The components exposed to the chemical agents must be rinsed with cleaning solvent in order to neutralize the chemical agent. Do not use abrasive paper, pads, or wire brush/wheel in order to clean sealing surfaces. Abrasive paper, pads, or wire brush/wheel will damage the sealing surfaces and produce fine grit residue that will contaminate the engine and engine oil. Failure to use proper cleaning methods may lead to engine damage.

  8. Clean the following areas:
  9. • Clean any carbon deposits from the combustion chambers.
    • Clean all traces of the old cylinder head gasket from the cylinder head and from the engine block.
    • Clean the cylinder head bolt threads.
    • Clean the threads that are in the engine block.
  10. Inspect the engine block to cylinder head mating surface for the following conditions:
  11. • Nicks
    • Heavy scratches
    • Any other damage

    Object Number: 175516  Size: SH
  1. Remove the engine accessory bracket.

  2. Object Number: 183448  Size: SH
  3. Remove the engine lift bracket from the rear of the engine.

  4. Object Number: 183438  Size: SH
  5. Remove the cylinder head bolts.
  6. Remove the cylinder head.

  7. Object Number: 409307  Size: SH
  8. Clean the following areas:
  9. • Clean any carbon deposits from the combustion chambers.
    • Clean all traces of the old cylinder head gasket from the cylinder head and from the engine block.

       Important: Do not use abrasive pads to clean the cylinder head or block surfaces. An abrasive pad will damage the cylinder head and block surfaces. Abrasive pads also produce a fine grit that will contaminate the engine oil.

    It is only necessary to remove the gasket material. Do not attempt to remove all marks from the cylinder head gasket surfaces.

    • Clean the cylinder head bolt threads.
    • Clean the threads that are in the engine block.
  10. Inspect the engine block to cylinder head mating surface for the following conditions:
  11. • Nicks
    • Heavy scratches
    • Any other damage