Engine service procedures including cylinder leakage specifications, identifying adapter 451 589 00 91 00, pressure loss tester 450 589 17 21 00, and engine wiring harness detachment steps.

Service manual page with cylinder leakage table, two adapter/tester identification diagrams, and numbered wiring harness disconnection procedure steps.

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See all Chassis 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.