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Technical Information
-The most advanced blade available,
superior in quietness, performance, speed and endurance-
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Windshield wipers are indispensable
components to the maintenance of a safe and comfortable
field of vision when driving on rainy and snowy days.
This guide explains how wipers are configured and how
they work, which is much more complicated than their
deceptively simple appearance makes it seem.
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| A damaged wiper blade cannot be expected
to give good service. When you begin to see blemishes
in your field of vision, it's time to change the blade. |
| A windshield wiper has no protective
cover, of course. Even when not in use, it sits in its
receptacle between the windshield and the hood subjected
to the wind, rain and sun, 24 hours of every day, 365
days of every year. A wiper blade begins deteriorating
the very minute it's installed to the vehicle. |
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Visible damage
Splitting, cracking, corrosion, deformation, foreign
matter buildup and discoloration
Audible damage
Causes noise with blade vibration and chattering
Damage that can be felt
Hardening of the rubber, loose rivets
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These are the signs of wiper deterioration
visible on the front windshield glass.
These symptoms will help you determine when a
wiper blade requires changing.
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Narrow streaks are left on the windshield,
making it hard to see. |
The wiper blade jumps across the windshield
and makes a lot of noise. Unsmooth operation. |
The wiper leaves large, unwiped spots. |
The rubber blade does not contact the windshield
surface evenly, leaving a large unwiped surface. |
| Cause |
| Foreign matter has
attached itself to the rubber blade,
or the edge of the blade is worn. |
| Remedy |
| First, clean the edge
of the blade. If streaks still appear,
replace the blade. |
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| Cause |
| The wiper blade does
not move smoothly across the surface
of the windshield, but vibrates noisily
and bounces. |
| Remedy |
| First, clean the windshield.
If the jumping persists, replace the
blade. |
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| Cause |
| Rubber deformation. |
| Remedy |
| Replace the blade. |
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| Cause |
| Deformed wiper blade
arm. |
| Remedy |
| Replace wiper blade. |
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Windshield wiper blades unavoidably deteriorate
with use, so it is best to replace them on a
periodic basis. If you always ensure that your
wiper blades are in good repair, you can enjoy
a good field of vision and a safe field of vision
even in inclement weather. Always change your
wiper blades at least once per year. Changing
wiper blades is a simple task that anyone can
accomplish.
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DENSO wipers can be
changed simply and easily by anyone.
The installation method changes depending on the
clip, as shown below. |
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Caution
1. Attach blade only as instructed.
2. Vehicle design changes may unavoidably
result in changes to wiper design and replacement
procedures. Refer to the instructions accompanying
the wiper for more information. |
3. Ensure that wiper blades
are securely attached to the wiper arms, or
they may come loose during vehicle operation
causing damage to windshield glass or vehicle.
4. After changing wiper blades, check to ensure
that the blade does not come into contact
with the engine hood/bonnet during operation.
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Prior to replacing blades : |
After replacement : |
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Please stand the wiper blade up on end
to remove and replace blades. Place
a soft, dry cloth on the glass under
the blade in order to protect the windshield
from damage. |
 A
Phillips screw driver is required to
change Twin-screw blades. |
Double check to ensure that the wiper
blades have been properly installed.
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