E 150 V8-4.6L VIN W (2006)
5. NOTE: The camshaft roller followers must be installed in their original locations. Record the camshaft roller follower locations.
Use the special tool to compress the valve springs and remove the camshaft roller follower.
6. NOTE: The camshaft roller followers must be installed in their original locations. Record the camshaft roller follower locations.
Repeat the previous steps for each of the roller followers being serviced.
7. Remove the spark plugs.
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To install, tighten to 18 Nm (13 ft. lbs.).
8. NOTE: Carry out these 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. Using the special tool, compress the valve spring and remove the valve spring retainer keys.
10. Remove the valve spring retainer, and the valve spring.
11. NOTE: Lubricate the camshaft roller follower with clean engine oil prior to installation.
To install, reverse the removal procedure.