GMC 1998 Jimmy Owner's Manual page 308

A. Blade Assembly
B. Arm Assembly
C. Locking Tab
D. Blade Pivot
E. Hook Slot
E Arm Hook
2. Press down on the blade assembly pivot locking tab.
Pull down on the blade assembly to release it from
the wiper arm hook.
3. Remove the insert from the blade assembly. The
insert has two notches at one end that are locked by
the bottom claws of the blade assembly. At the
notched end, pull the insert from the blade assembly.
4. To install the new wiper insert, slide the insert (D),
notched end last, into the end with two blade claws
(A). Slide the insert all the way through the blade
claws at the opposite end (B). The plastic caps (C)
will be forced off as the insert is fully inserted.
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