300TD (123.193) L5-3.0L DSL Turbo (617.952) (1984)
/l5-3.0l_dsl_turbo_(617.952)/Page-329001.png)
Valve Clearance: Adjustments
63 Cap nut
63a Counternut
NOTE: Check valve clearance with engine cold or warm and adjust, if required.
During adjustment, check cap nut and counternut for tight seat and wear.
Also check valves which are not in need of adjustment.
Renew cap nuts and counternuts in the following cases:
Height of counternut (A) below 5 mm (H). New counternuts (B) have a height of 6 mm.
