windshield wipers not aligned right

rchurch5945 · Dec 6, 2021

I just got my Tahoe out of the paint shop and they installed a new windshield. Now the wipers are not aligned correctly. The drivers side swings way past where it should stop and in the off position it sits way too high. I took it off to make sure it is installled right and it is in the groove on the wiper arm. The driver's and passenger's arms seem the same size and there is no problem with the passenger side. Is there another way to adjust them? Thanks

bill1013 · Dec 6, 2021

I believe that the arm needs to be taken off and moved down a few notches to where it's supposed to be then re-secured to the pivot point. it looks like in your case it needs to go down two or threes notches until it is level with the bottom of the windshield. Pretty simple fix. There should be a nut where it attaches to the pivot point. Loosen it, removed the arm and reposition it to where the wiper is level with the bottom of the windsheild then resecured it t the pivot point. Viola!

Fless · Dec 6, 2021

Park them, and move them as @bill1013 indicated. Many windshields will have marks embedded to show where the parked position is. I can't see them on yours with all the droplets, if they're even there.

I don't know about yours, but when I bought my new OE wiper arms the hold wasn't splined, it was smooth inside. When I asked the parts guy about it he said that the first time you install them the stud will cut the splines into the arm. Pull yours off and move them down a few notches; it might take a time or two to get them right if you don't have the marks in the glass. They can be kind of tough to pull off, so gently rock them off after the cover and nut are off.

YukonGTmaster · Dec 6, 2021

There is a small black tab at the top of the wiper arm where is attaches to the drive splines. Fold the wiper up off the windshield and pull the tab outwards. You will then be able to remove the arm by rocking it fore and aft gently while pulling up. Rotate the arm a few teeth counterclockwise and reinstall. It may take some fine adjustment to find the perfect spot. Whenever I have my arms off, I coat the splines in nickel anti sieze.

rchurch5945 · Dec 6, 2021

As it shows in the video there is a slot on the arm and a tab on the mount. The only way the arm will fit is to align the slot with the tab. There is no adjusting it a few notches. That is what I was hoping for when I first took it off. It will only fit with the slot fitting the tab.

rchurch5945 · Dec 6, 2021

Sorry, I meant a notch and slot, not a tab. The tab is to remove the arm. You have to install the arm with the notch and slot aligned, so there is no adjustment.

Fless · Dec 6, 2021

Fless said:
Park them, and move them as @bill1013 indicated. Many windshields will have marks embedded to show where the parked position is. I can't see them on yours with all the droplets, if they're even there.

I don't know about yours, but when I bought my new OE wiper arms the hold wasn't splined, it was smooth inside. When I asked the parts guy about it he said that the first time you install them the stud will cut the splines into the arm. Pull yours off and move them down a few notches; it might take a time or two to get them right if you don't have the marks in the glass. They can be kind of tough to pull off, so gently rock them off after the cover and nut are off.

View attachment 357298

Apparently my suggestion doesn't relate to the newer models.

rchurch5945 · Dec 6, 2021

I guess I should mention it is a 96 model. They weren't fitting like this before they were removed to replace the windshield so there has to be some adjustment somewhere!

I just had it repainted and if they stay like this it will wear the paint off the A pillar.

Doubeleive · Dec 6, 2021

rchurch5945 said:
I guess I should mention it is a 96 model. They weren't fitting like this before they were removed to replace the windshield so there has to be some adjustment somewhere!

I just had it repainted and if they stay like this it will wear the paint off the A pillar.

sounds like you might have to take the cowling off and move the motors, they could be bolted in wrong, like a notch off or something, I would take a look and see what the issue is exactly

YukonGTmaster · Dec 6, 2021

My bad, I forgot they were keyed splines, and you can’t rotate the arm. You will have to dig in to the wiper motor arm adjustment.

windshield wipers not aligned right

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