Engine disassembly and reassembly procedure steps 14–30 for Smart fortwo 450/451, focusing on piston, connecting rod, bearing shells, and crankcase installation.

Service manual table showing numbered steps for engine component removal, cleaning, checking, and installation with callout notes and part references.

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See all Powertrain figures for the Fortwo (450), 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.