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Q:

Front Wiper Blades on 1998 GMC Jimmy

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How do I adjust the angle or position of my wipers? They seem to be one spot (cog?) too high. Thanks in advance for your help.
(1) Answer
The wiper arm pivot where the wiper arms attach is splined, I don't think there is a locating tab so you should be able to remove the arms and align them where you think they should be. With the wiper switch off and the wipers in the rest position mark the location of the wiper blades on the windshield with a piece of tape. Remove the caps over the retaining nuts at the wiper pivot. Remove the wiper arm by gently rocking the arm back and forth. Reposition the arm where you think they should be, use the tape as a reference. Tighten down the retaining nuts and check your work.