Cylinder Heads

Special Tools:

Disassembly

1. Remove the Camshaft Position (CMP) sensor.

2. Remove the rocker arms.

3. NOTE: Always return the valve tappets to their original tappet bores unless new tappets are being installed.

Remove the valve tappet(s).
1. Remove the valve tappet guide plate retainers.
2. Remove the valve tappet guide plates.
3. Remove the valve tappets.

4. Remove the camshaft thrust plate.

5. Using the special tool, remove the camshaft front oil seal.

6. NOTE: The camshaft can be removed in either direction.

Remove the camshaft.

7. NOTE: Keep the components in order for reassembly.

Using the special tool, compress the valve spring and remove the valve spring retainer key and the valve spring.
8. Slowly remove the special tool.

9. Remove the valves.

10. Remove and discard the valve stem seals.

Assembly

1. Install the valve seals.

2. NOTE: If installing the original valves, make sure, that the valves are installed ailed in the position from which they were removed. Coat the valve stems with Super Premium SAE 5W30 engine oil X05W30-QSP or equivalent meeting Ford specification WSS-M2C153-G before installation.

Install the exhaust and intake valves.

3. Using special tool, compress the valve spring and install the valve spring retainer.

4. NOTE: Lubricate the camshaft lobes and bearing surfaces with heavy engine oil (SG grade).

NOTE: Inspect for the presence of a clogged oil gallery. Verify that the camshaft contains the camshaft oil flow control rod and the rear end has a cup plug installed prior to the installation of the camshaft.

Install the camshaft.
5. Apply a thin film of light engine oil to the lip of the camshaft front seal.

6. NOTE: The seal depth should be 0.05 - 0.0 mm below flush with the cylinder head front face.

Using the special tool, install the camshaft front seal.

7. Install the camshaft thrust plate.

8. CAUTION: Color codes on valve tappets must index with oil feed holes in the cylinder head.

Install the valve tappets using Hypoid oil.
1. Install the valve tappets.
2. Install the valve tappet guide plates.
3. Install the valve tappet guide retainers.

9. Install the rocker arms.

10. Install the CMP sensor.