Rear axle disk brake hose replacement procedure for Smart Fortwo 454 with code 30Y, showing brake line, caliper, and retaining springs.

Two photographs of rear brake assembly with numbered callouts 8-12 identifying brake components and hoses.

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See all Chassis 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.