Remove/install adjustable camshaft timing solenoid (Y49) on 454.0 engines 134.9 and 135.9.

Engine solenoid removal procedure with callout photos and torque specifications for Smart 454.

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See all Powertrain 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.