Tools Required

J 8062 Valve Spring Compressor

1. Remove the spark plugs from the cylinder head.
2. Use J 8062 in order to compress the valve springs.



3. Remove the valve stem keys (1).
4. Remove the cap (2) from the valve (5 or 6).
5. Remove the valve spring (4).
6. Remove the valve stem oil seal (3).
7. Remove the valve (5 or 6).

Place the valves in a rack in the proper sequence so that the you can install them in the same order.

Tools Required

1. Clean the valve spring seat area.
2. Install the valve (5 or 6) into the proper port.

Important: In order for tool J 42073 to work properly, the valve is installed into the cylinder head.

3. Lubricate guide and valve stem oil seal (3) with clean engine oil.




Important: Install the valve stem oil seal (3) onto the valve stem (5 or 6). Push the seal down until the seal contacts the valve guide (2).

4. Valve stem oil seal alignment onto the valve guide is critical.




Important: A correctly installed seal should not bottom against the valve guide. There should be a 1-2 mm (0.03937-0.07874 in) gap (2) between the bottom edge of the seal (5) and the valve guide (4).

5. Place the J 42073 over the valve stem and oil seal. Lightly tap on the J 42073 until the tool bottoms out against the valve spring seat.
6. Install the valve spring (4).
7. Install the cap (2) on the valve stem (5 or 6).



8. Use theJ 8062 in order to compress the valve spring.
9. Install the valve stem keys (1).

9.1.	Use grease to hold the keys in place while disconnecting the J 8062

9.2.	Make sure that the keys seat properly in the upper groove of the valve stem.

9.3.	Tap the end of the stem with a plastic-faced hammer in order to seat the keys if necessary.

10. Measure the valve spring installed height from the valve spring seat to the locating surface on the cap.