300SDL (126.125) L6-3.0L DSL Turbo (603.961) (1987)
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TDC Marking (arrow) And Code Number
Camshaft Code Numbers
The code number is stamped on the flange next to the TDC notch (arrow).
Washer for camshaft timing gear bolt
A modified washer with larger outer diameter (c) has been installed since 12/86 to prevent the camshaft timing gear bolt from loosening.
Camshaft Washer Modification
A 1st version
B 2nd version
Camshaft timing gear bolt
As of 11/86 the camshaft timing gear bolt has been changed from a M 10 hexagon bolt to a M 11 12-point necked down bolt on all engines.
Tightening torques