Differential viscous coupling (DV) disassembly and cleaning procedure with component parts breakdown.

Differential viscous coupling taken apart showing blue housing, piston, spring, and internal components laid out.

View full-size image ↗

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.