Subaru Legacy 2004 Service Manual page 3687

Wiper Blade
WIPER AND WASHER SYSTEMS
3) Insert the wiper rubber into the claw (A).
A
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E: INSPECTION
1) When the wiper does not perform well, inspect
the followings:
• Make sure the movable part of the wiper blade
assembly moves smoothly.
• Make sure the wiper rubber is not deformed or
damaged.
2) If damaged, replace with new one.
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