Cylinder Head - Disassembly and Assembly

Cylinder Head









Cylinder Head - Coolant Connection and Lifting Eyes









Cylinder Head - EGR Valve, Spark Plugs, Cylinder Head Temperature (CHT) Sensor and Valves









Disassembly

1. Remove the 2 bolts and the engine lifting eyes.

2. Remove the Cylinder Head Temperature (CHT) sensor.

3. Remove the 4 bolts and the coolant outlet pipe.
- Discard the gasket.

4. Remove the 2 bolts and the EGR valve.
- Discard the EGR valve gasket.

5. Remove and discard the 4 spark plugs.

6. NOTE: Note location of the tappets prior to removal.

Remove the 16 valve tappets.

7. Using the 3 Valve Spring Compressors, compress the valve spring and remove the valve spring retainer keys, the valve spring retainers and the valve springs.





8. Inspect the valve spring, valve spring retainer and valve spring retainer key. For additional information, refer to Engine System - General Information Valves, Guides, Seats, and Springs. Install new parts as necessary.

9. NOTE: Note the location of the valves if they are to be reused.

NOTE: Mark each valve if the original valves are to be used.

Remove the valves.

10. Using the Valve Stem Seal Remover and the Slide Hammer, remove and discard the valve stem seals.





11. Inspect the valves. For additional information, refer to Engine System - General Information Valves, Guides, Seats, and Springs. Install new parts as necessary.

Assembly

1. NOTE: If installing the original valves, make sure the valves are installed in the same position from which they were removed. Coat the valve stems with clean engine oil prior to installation.

Install the valves.

2. NOTE: Use the protector provided with the replacement kit to prevent damage to the valve seals.

Lubricate the valve stems and guides with clean engine oil and, using the Valve Stem Seal Replacer, install the valve seals onto the cylinder head valve guides.





3. Place the valve spring in position over the valve and install the valve spring retainer.

4. Using the 3 Valve Spring Compressors, compress the valve spring and install the valve spring retainer keys.





5. NOTE: Be sure to install the tappets in the same location as they were removed from.

Install the 16 valve tappets.

6. Install the CHT sensor.
- Tighten to 12 Nm (106 lb-in).

7. Install 4 new spark plugs.
- Tighten to 12 Nm (106 lb-in).

8. Using a new gasket, install the EGR valve and the 2 bolts.
- Tighten to 20 Nm (177 lb-in).

9. Using a new gasket, install the coolant outlet pipe and the 4 bolts.
- Tighten to 10 Nm (89 lb-in).

10. Install the engine lifting eyes and the 2 bolts.
- Tighten to 45 Nm (33 lb-ft).