300TD (123.193) L5-3.0L DSL Turbo (617.952) (1984)
4
Loosen cap nut while applying counterhold to counternut on valve by means of valve adjusting wrench.
5
Adjust valve clearance by turning cap nut.
6
Following adjustment, secure cap nut with counternut (torque reference value 20 - 30 Nm).
7
Check valve clearance once again.