Engine belt tensioning and coolant pump installation procedure for smart fortwo 450/451 with 132.9 engine, including torque specifications and part numbers.

Service procedure table showing belt tensioner installation steps, coolant pump pulley mounting, and tool illustrations with part numbers.

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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.