300TD (123.193) L5-3.0L DSL Turbo (617.952) (1984)
Valve Guide: Service and Repair
Checking
1
Clean valve guide.
2
Measure bore by means of a plug gage or an internal measuring instrument 5 mm above bottom edge of valve guide.
If the not go end of plug gage can be easily and completely inserted, replace valve guide.
Renewing