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If you have wind deflectors on your GMC Sierra, then you know how beneficial they are. They block the wind, rain and sun, making it much more enjoyable to drive with the window down. However, if your GMC Sierra wind deflectors seem to not be working, it may be time for replacements from your local AutoZone.
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A worn-out vent visor for GMC Sierra may have cracks or even look broken. Even if you don't notice anything wrong but you do see that it is letting in moisture or bugs, then these are also signs the Sierra wind deflector is not working properly. When your old deflectors break down, get new ones online with Same Day Store Pickup (in most cases) at AutoZone. If you need some assistance finding the right ones, then come into any store for trustworthy advice provided by helpful staff and benefit from free battery charging and engine diagnostic testing at the same time.