Cylinder Heads

Cylinder Head





Special Tool(s)

Disassembly





1. CAUTION: Do not remove the camshaft before removing the roller followers.

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

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





2. NOTE: The roller followers must be reinstalled in their original locations. Record roller follower locations.

Use the special tool to compress the valve springs and remove the roller followers.





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

Remove the hydraulic lash adjusters.





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





5. 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.





6. Remove the valve stem seals.





7. 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 sterns 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. NOTE: Lubricate the roller followers with clean engine oil.

Use the special tool to compress the valve spring and install the roller followers in their original locations.





13. Remove the special tool.