Heat exchanger removal/installation procedure for 454 chassis with numbered callouts showing coolant hoses, trim panel, and heating system components.

Service manual page with multiple photographs showing heat exchanger location and removal steps for Smart Fortwo 454.

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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.