Author Topic: Converting to One windshield Wiper?  (Read 1957 times)

AlpineRob

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Converting to One windshield Wiper?
« on: January 18, 2009, 06:02:40 PM »
Hey guys, not sure if anyone has this problem, but my wipers have never worked properly..typically when wipers operate they always go all the way back down to the bottom of the windshield..when my wipers are not wet enough, they don't..sometimes they end up stopping 6" too high..even with new wipers, and tightening the wipers to the car..they still don't work as well.. they have never malfunctioned electronically..work fine..

I was thinking on converting to one wiper to ease the pressure and work from the wiper motor..Ive seen it done but what should be done in order to do this?

And of course if anyone has a recommendation on how to fix my problem without switching to one i'm open to that as well. Thanks a lot!

ak96ss

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Converting to One windshield Wiper?
« Reply #1 on: January 19, 2009, 08:13:15 AM »
I think I'd try replacing the wiper relay first, if it were me. Then again, I don't particularly care for the mono-wiper look.
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uh, it's a '91 318is, like everyone else...

peerless

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Converting to One windshield Wiper?
« Reply #2 on: January 19, 2009, 12:54:45 PM »
Sounds like the wiper motor is getting weak. I would try to replace the motor first.

As far as the conversion goes, its relatively easy. Remove the wiper arms from the car. This will be your single most aggravating part of the process as will be re-installing them.

Once they are removed, take the ball stud at the motor drive arm, knock it out, drill a new hole exactly 12mm center to center above the original hole, knock in the ball stud, re-assemble back into the car.

Take a wiper arm and straighten the end, re-paint. Install a 24" wiper blade. You can index the arm straight up or off to the passenger side, or even the drivers side if you want.

But as far as it reducing drag, thats not going to happen really. Now you have a full 24" blade that sweeps all the way across the windshield and back. So don't do the modification if you think its going to fix your problem.

You most likely need a new wiper motor first.

(there are a lot of little details I left out above, but thats the basics of how you perform the mono-wiper. Its not that hard.)
Robert


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