Disassembly and Assembly

Cylinder Head






Disassembly






1. CAUTION: Place the cylinder head on a cardboard or wood surface to prevent damage to the joint face.

NOTE: The hydraulic lash adjusters must be installed in their original locations. Record hydraulic lash adjuster locations.

Remove the hydraulic lash adjusters.






2. Use the special tool to compress the valve springs.






3. CAUTION: Keep the valves and valve spring retainer keys in order so they can be installed in the same positions.

NOTE: Shown without camshaft for clarity

Remove the (A) valve spring retainer keys, the (B) valve spring retainers, the (C) valve springs, and the valves.






4. Remove the valve stem seals.






5. NOTE: The camshaft bearing caps must be installed in their original location. Record camshaft bearing cap location.

Remove the bolts, the bearing caps and the camshaft.

Assembly

1. CAUTION: Do not use metal scrapers or other tools to clean the cylinder head or damage to the head can occur.

Use a plastic scraper and metal surface cleaner to clean the cylinder head.






2. Lubricate the camshaft journals with clean engine oil.

3. Lubricate the camshaft bearing caps with clean engine oil.






4. CAUTION: Make sure the camshaft sprocket keyway is up and 90 degrees from the valve cover mounting surface.

Install the camshaft and the camshaft bearing caps in their original locations.

- Install the bolts loosely.






5. Tighten the bolts in the sequence shown.






6. NOTE: Lubricate the valve stems with clean engine oil.

Install the valves in the valve guides located in the cylinder head.






7. NOTE: The valve stem seal must be bottomed on the valve seat.

NOTE: Make sure that the garter spring is present in the valve stem seal.

Use the special tool to install the valve stem seals.






8. Install the valve springs and the valve spring retainers onto the valves.






9. Install the special tool between the valve spring coils to prevent valve stem seal damage.






10. Use the special tool to compress the valve springs. Install the valve spring retainer keys.






11. NOTE: Lubricate the hydraulic lash adjusters with clean engine oil.

Install the hydraulic lash adjusters in their original location.






12. Remove the special tool.