Checking basic camshaft position on engines 134.9, 135.9 in model 454.0 with timing case cover built-in.

Engine camshaft inspection diagram showing belt pulley, adjuster, sprocket, and timing case cover with numbered callouts.

View full-size image ↗

See all Powertrain figures for the Fortwo / Forfour (453), or browse the full figure library. Part numbers and callouts are community-sourced and cross-referenced against the manuals — confirm with your VIN before ordering.