Quote:
Originally Posted by Halibut214
I saw this post when I was in Idaho a couple weeks ago which prompted me to check my wipers. Both acorn nuts were very loose. The one on the passenger side I literally spun off with one finger. The spring washer had just enough bite to hold it. I tightened both nuts very tight and didn't give it another thought, that is until this morning. I was putting new wiper blades on and again noticed both nuts were loose, the one on the passenger side again barely hanging on. I did use my wipers on my return trip to AZ but total time was probably not more than an hour. These blades mount over a sort of spline and there is a small amount of play in it. If the blades are even a tiny bit loose the blade works back and forth on the spline loosening the nut further. My blades have started to wallow out a bit from the back and forth movement which makes the problem worse. I put a healthy dose of loctite on it and tightened it as much as I thought I dare (don't want to strip the gears) and will keep a close eye on it. Don't know if this is a new design but having read all the posts of blades falling off it's a pi** poor one. I'm thinking this one is on ford. In any event I highly encourage you to check this.
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The design of the wiper arms has been around for ages and used on various model cars, trucks and buses. Not 100 percent positive but I believe the wipers are Thor and not Ford. I'm pretty sure, again not positive, the stripped chassis does not include wiper assemblies and that has to be installed by the final assembly manufacturer or up-fitter.
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