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Old 12-24-2015, 05:00 PM   #1
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Windshield Wipers blowing to top or side and getting stuck

I have a 2009 Coachman Mirada that has wipers that come down from the top. When on the freeway, or when in high winds at slower speeds, the wipers can get blown up above the windshield and stuck up there. The drivers side wiper can also get blown to the side of the windshield and stuck there. So it's not just that the wipers are off center, they'll get blown both ways.

Have any of you had this same problem or a similar one?

Any help is greatly appreciated. Thanks!
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Old 12-24-2015, 07:22 PM   #2
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Sounds like you've got under-engineered wipers, not built for the forces that can happen in highway driving. You should make sure the motor/gear mount isn't being twisted by the wind forces. Also make sure the wiper arm hubs aren't shifting on the shaft.(try making indexing marks to detect shifting) If they are just not up to the job, check out wiper systems used on interstate buses. The other alternative is to park when the winds and rains get too much.

Many years ago I drove a bus that had vacuum operated wipers. When going up a hill, accelerating, or fighting a head wind, they would stop due to lack of vacuum. You had to either let up on the gas pedal to get a wipe or two, not always easy to do when going up Pennsy grades. We finally added an electric vacuum pump to keep them moving.
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Old 12-24-2015, 07:58 PM   #3
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Probably need to buy the entire wiper assembly (arm), more then likely just spring loaded and they are warn out.

In regards to being pushed to the side.... Is the wiper assembly (arm) slipping on however it's attached or is the motor assembly that's in the RV being moved?
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Old 12-25-2015, 06:16 AM   #4
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I agree with Bob, check the shaft that the wiper arms are attached to. There are many ways they can be attached some have a series of small splines that are mated to the small splines on the wiper arm itself, it is a means of adjustment which will allow you to set starting and stopping points of the arm. In some cases it is made of white metal and if at some point the arm was loose or worn the splines may not be doing their job or gone. Check to see if the wiper arm is firmly seated. It could be the wiper [transmission] linkage just being loose. Your wiper linkage [splined] is attached to your wiper motor with a nut and washer, it may have to be checked as well. You should be able to trouble shoot the problem yourself. White metal is used to save money and often fails. Good luck, let us know how you fix the problem.
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Old 12-25-2015, 07:23 AM   #5
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This will stop the problem
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Old 12-25-2015, 10:29 AM   #6
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Quote:
Originally Posted by Triker56 View Post
Those springs increase pressure of the arm on the windshield, but they do nothing for making the wiper arm index properly during it's motion. I'd pull the wiper arm off the shaft and check to splined shaft, the motor mount to be sure it's not moving, etc.
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Old 12-25-2015, 09:57 PM   #7
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Thanks for all the feedback guys. Much appreciated. I'll take the wipers off the shafts and take a look. I'll let you know how it goes.
Thanks!
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