Lincoln F4TZ-6505-AB Exhaust Valve

Because of the complex nature of the job and the special tools and equipment needed, servicing of the valves, valve seats, and valve guides, commonly known as a valve job, is best left to a professional.

The dealer service department or automotive machine shop will. Remove the valves and springs Recondition or replace the valves and valve seats Recondition the valve guides Check and replace the valve springs, spring retainers or rotators, and keepers (as necessary) Replace the valve seals with new ones Reassemble the valve components Ensure the installed spring height is correct Resurface the cylinder head gasket surface if it's warped.

Install the remaining engine components and run the engine. It may be necessary for the engine to run several minutes for the clearance in the valve train to be taken up completely by the hydraulic lifter(s), particularly if new lifters were installed.

They will remove the valves and springs, recondition or replace the valves and valve seats, recondition the valve guides, check and replace the valve springs, spring retainers or rotators and keepers (if necessary), replace the valve seals, reassemble the valve components, ensure correct spring height and pressure, and resurface the cylinder head gasket surface if necessary.