300CD (123.153) L5-3.0L DSL Turbo (617.952) (1982)
With No. 1 cylinder at TDC the alignment marks for the camshaft should be aligned.
If marks do not align, the camshaft timing must be adjusted. Refer to camshaft adjustments. See: Camshaft, Lifters and Push
Rods/Camshaft/Adjustments