Subaru 2006 Baja Owner's Manual page 421

Maintenance and service
1) Metal support
3. Grasp the locked end of the blade rubber assembly
and pull it firmly until the stoppers on the rubber are
free of the metal support.
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1
HSB059BB
1
1) Metal spines
4. If the new blade rubber is not provided with two
metal spines, remove the metal spines from the old
blade rubber and install them in the new blade rubber.
HSB060BB