Heater unit removal and installation procedure for 454 chassis with multiple component callouts and fastener locations.

Exploded view diagram showing heater unit removal steps with numbered callouts for bolts, connectors, and components.

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See all HVAC & Comfort 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.