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Old 10-16-2020, 06:09 PM   #1
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Windshield Wiper Removal

How the hell do I get these bastards off. Halp

I've managed to spin the nut sandwiched under a rubber cap but that still has not released to the parts. I assume it's some spring loading clip?PXL_20201016_230723932.jpgPXL_20201016_230754058.jpg
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Old 10-16-2020, 06:36 PM   #2
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The arm is fitted to a splined shaft, as I'm sure you're aware. Some use a tab of some sort that can be pushed with a screwdriver, which should unlock the latch that holds it onto the shaft. You have to look very closely at the base surrounding the shaft to see it. Sometimes this tab is more easily seen from the shaft side of the arm than the outside. Most of the time, you simply use a screwdriver to unlatch it.
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Old 10-16-2020, 06:56 PM   #3
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First thank you for your help in this hour of darkness; I am 0/3 on bus today, going to have to get up early to hit the local hardware store before the suns up...

So I do see a conspicuous tab now but no matter how I pry it no budge. Am I on target?PXL_20201016_235445818.jpgPXL_20201016_235455497.jpg
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Old 10-16-2020, 07:01 PM   #4
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they are prone to rusting/corroding on and you may have to cut them off
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Old 10-16-2020, 07:22 PM   #5
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Yes, that looks like the tab and rmoore is right, they are prone to getting frozen in place, but you may want to try to some PB-Blaster or something before pulling out the blow torch.

Perhaps an assistant, some PB Blaster / equivalent, the screwdriver / pry bar, and a pickle fork pushing from the shaft side simultaneously may 'persuade' it.

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Old 10-16-2020, 08:18 PM   #6
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First off, undo the nut off the 2nd arm and see if it will pry easily off the shaft. You might have to wiggle it some, but it needs removed to get the assembly off anyways. Once you have that free, you can then pinch the tab on the 2nd arm towards the stud. I believe you pinch the tab, not pry it away.

However, most of the wipers we have have nuts on both arms.

Why are you trying to remove it anyways?
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Old 10-16-2020, 08:40 PM   #7
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Quote:
Originally Posted by Booyah45828 View Post
First off, undo the nut off the 2nd arm and see if it will pry easily off the shaft.
Hadn't heard of this before... Is this what you're referring to?

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Old 10-16-2020, 08:45 PM   #8
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No, in his first picture in the first post of this thread, you can see to the left of the main arm there is a 2nd and smaller guide arm that's held on by a nut. I found it easier to take the guide arm off first.
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Old 10-16-2020, 08:48 PM   #9
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Quote:
Originally Posted by Booyah45828 View Post
No, in his first picture in the first post of this thread, you can see to the left of the main arm there is a 2nd and smaller guide arm that's held on by a nut. I found it easier to take the guide arm off first.
I see now. Thanks, I was thinking about that one but I didn't want OP to wind up having to replace the whole thing if it didn't want to go back together right. Of course, if they're replacing the arms anyway... Which is what this sounds like...
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Old 10-17-2020, 05:36 AM   #10
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also there is a hole a small rod can go thru by the clip that holds the arm off the windshield. using that you dont fight the spring. you do not have a nut on the main arm just a clip as was pointed out by cheese wagon. tapping (not pounding) with a brass drift sometimes will break the corrosion and free them. do use a pin thru the hole as it is easer
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Old 10-17-2020, 05:38 AM   #11
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dont worry about the second arm as it pivots behind the nut and doesn't seize up
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Old 10-17-2020, 06:36 AM   #12
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also the clip moves very little to free the arm do not use too much force on it . if it bends your using too much force
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Old 10-17-2020, 05:03 PM   #13
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using a small rod helps get it off and lining it up to reinstall
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Old 10-17-2020, 07:47 PM   #14
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unfortunatelty i have to embark on this journey in my red bus as my wiper arm pivot is a source of a water leak.. (the only water leak in the front half of the bus).. so i have to take it apart and see whats used for a seal
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Old 10-18-2020, 01:45 AM   #15
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Long story short ... I have a few BlueBird doors with the wipers attached. I wanted to store them away for future use and went about removing the wiper arms. Both the primary and secondary arms had capped nuts on them. I was able to remove both cap nuts easily. I had to remove the secondary arm first to get the primary off. The leverage the secondary applied to the primary was enough to cause extra forces in the primary agaist its splines.
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