Cylinder Head
Special Tools:
Disassembly
CAUTION: If the cylinder head valve components are to be reused, mark position of the valve components to make sure they are reassembled in the same position.
1. Using the special tools, compress the valve springs.
2. Remove the valve springs.
1 Remove the valve spring collets.
2 Remove the valve spring retainer.
3 Remove the valve spring.
3. Remove the valves from the cylinder heads.
1 Remove the intake valves.
2 Remove the exhaust valves.
4. Using the special tools, remove the valve stem seals.
1 Install the special tool.
2 Using the special tools, remove the valve stem seal.
5. Inspect the cylinder heads and related components. Replace as required.
6. NOTE: Valve guides should never be removed unless they are to be serviced.
Using the special tool, remove the valve guides, if necessary.
- Drive the valve guides out from the bottom of the cylinder head.
7. NOTE: Never remove the pipe plugs or alignment dowels unless they are to be serviced.
Remove the pipe plugs and alignment dowels as necessary to clean the cylinder heads.
Assembly
1. WARNING: Eye protection is required during use of compressed air. Failure to wear eye protection may result in personal injury.
CAUTION: The cylinder head surface finish is measured in microns. For correct head gasket sealing, avoid any contact of finish with metallic objects.
Clean gasket material, dirt and foreign material from cylinder heads. Wash with a suitable soap and water solution and dry completely using compressed air if pipe plugs have been removed.
- If gasket material remains on the cylinder head after cleaning, use a plastic tipped scraper to remove remaining material.
2. Install the pipe plugs and alignment dowels to cylinder heads, if removed.
- Apply pipe sealant to plugs before installation. Use sealer or equivalent meeting Ford specification.
3. Using the special tool, install the valve guides, if removed.
4. Using the special tool, install the valve stem seals onto the valve guides.
5. Install the valves into the cylinder heads.
- Lubricate valve stems and guides before assembly. Use Assembly fluid or equivalent meeting Ford specification WSE-M2C908-A.
6. Install the valve springs and the valve spring retainers.
1 Install the valve springs.
2 Install the valve spring retainers.
7. Using the special tools, install the valve spring collets.