Special Tools

J 38606 Valve Spring Compressor

For equivalent regional tools, refer to Special Tools.

Note: Use oversize valve stem seals if you install oversize valves.

1. 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 compressor .
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 in) rocker arm shims as needed. If more than 2 shims are needed replace the cylinder head or valve.

Caution: Refer to Fastener Caution in the Preface section.




13. Install the coolant temperature sensor, if required. Tighten the coolant temperature sensor to 23 N·m (17 lb ft).
14. Install the heater inlet pipe stud, if required. Tighten the heater inlet pipe stud to 35 N·m (26 lb ft).