Overhaul

Cylinder Head









Cylinder Head - RH










Cylinder Head - LH









Disassembly

All cylinder heads

NOTE: If the components are to be reinstalled, they must be installed in the same positions. Mark the components for installation into their original locations.

1. Using the Valve Spring Compressors, remove the keys, retainer and spring.





2. Remove the valve from the cylinder head.

3. Remove and discard the valve stem seal.

4. Repeat the above steps for each valve.

5. Remove the timing chain guide pin.

RH cylinder head

6. Remove the timing chain tensioner arm pin.

7. Remove and discard the Cylinder Head Temperature (CHT) sensor.

Assembly

All cylinder heads

1. NOTE: Lubricate the valve stem seal with clean engine oil prior to installation.
Using the Valve Stem Oil Seal Installer, install a new valve stem seal.






2. Install the valve.

3. Using the Valve Spring Compressors, install the valve spring, retainer and key.





4. Repeat the above steps for each valve.

5. Install the timing chain guide pin and tighten in 2 stages.
- Stage 1: Tighten to 20 Nm (177 lb-in).

- Stage 2: Tighten an additional 60 degrees.


RH cylinder head

6. Install the timing chain tensioner arm pin and tighten in 2 stages.
- Stage 1: Tighten to 20 Nm (177 lb-in).

- Stage 2: Tighten an additional 60 degrees.


7. Install a new CHT (Cylinder Head Temperature) sensor.
- Tighten to 10 Nm (89 lb-in).