500SEL (126.037) V8-5.0L (117.963) (1984)
2
Check valve guides, renew if necessary. See: Valve Guide/Service and Repair
3
Measure basic bore D 1.
A new valve seat ring standard dimension may be used if the specified overlap is available.
4
Machine basic bore repair stage D 1 with the valve seat ring turning tool until the bore is just clean.
5
Measure machined basic bore.
6
Machine valve seat ring repair stage until the specified overlap is attained.