51. Cylinder Head Assemble

Cylinder Head Assemble

^ Tools Required
- J 38606 Valve Spring Compressor





1. Important: Use oversize valve stem seals if you install oversize valves.

Lubricate the valve stem with clean engine oil.
2. Install the valves.
3. Lightly tap the new or reconditioned valves into the valve seat.
4. Install the valve stem oil seals using a suitable tool.
5. Install the valve springs.
6. Install the valve spring caps.





7. Compress the valve springs using the J 38606.
8. Install the valve spring cap keys. Hold the valves in place with grease, if necessary.
9. Release the valve springs.
10. Ensure that the valve locks are seated.
11. Measure valve spring installed height.
12. If the valve spring installed height is not within specifications install 0.25 mm (0.010 inch) rocker arm shims as needed. If more than 2 shims are needed replace the cylinder head or valve.





13. Notice: Refer to Fastener Notice in Service Precautions.

Install the coolant temperature sensor, if required.
^ Tighten the coolant temperature sensor to 23 Nm (17 ft. lbs.).
14. Install the heater inlet pipe stud, if required.
^ Tighten the heater inlet pipe stud to 35 Nm (26 ft. lbs.).