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Removal and Replacement

Valve Springs

Valve Train Components - Exploded View (Part 1):




Valve Train Components - Exploded View (Part 2):




Special Tool(s):




Material:





Removal and Installation
1. If servicing the LH cylinder valve train components, remove the LH valve cover.
2. If servicing the RH cylinder valve train components, remove the RH valve cover.
3. Position the piston of the cylinder being serviced at the bottom of the stroke.
4. Install the special tool between the valve spring coils to protect the valve stem seal from damage.





5. CAUTION: The camshaft roller followers must be installed in their original locations. Record the camshaft roller follower locations. Failure to follow these instructions may result in engine damage.

NOTE: Do not allow the valve keepers to fall off the valve or the valve may drop into the cylinder. If a valve drops into the cylinder, the cylinder head must be removed.

NOTE: It may be necessary to push the valve down while compressing the spring.

NOTE: The 3 rearmost camshaft roller followers on the RH side must use special tool 303-567 in the same manner as is shown in the illustration.

Use the special tool to compress the valve springs and remove the camshaft roller follower.





6. NOTE: Lubricate the camshaft roller followers with clean engine oil prior to installation.

Repeat the previous steps for each of the camshaft roller followers being serviced.

7. CAUTION: Only use hand tools when removing or installing the spark plugs or damage can occur to the cylinder head or spark plug.

Remove the spark plugs.
^ To install, tighten to 18 Nm (13 lb-ft).

8. NOTE: Carry out the following steps for each cylinder requiring service.

NOTE: Position the piston of the cylinder to be serviced at the bottom of the stroke.

Use compressed air in the cylinder to hold both valves in position.

9. NOTE: The 3 rearmost followers on the RH side must use special tool 303-567 in the same manner as is shown in the illustration.

NOTE: If a valve drops into the cylinder, the cylinder head must be removed.

Using the special tools, compress the valve spring and remove the valve spring retainer keys.

10. Remove the valve spring retainers and the valve spring.





11. To install, reverse the removal procedure.
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