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Old 08-08-2013, 02:41 PM   #1
uberschall
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Default Rearview Mirror Keeps Falling Off

Synopsis: a couple years ago, my windshield got a chip that developed into a full-width crack, and I had it replaced by Safelite.

Since then, my f***ing mirror has been falling off on a regular basis. The button just pops right off the inside of the glass. I've used every rearview-mirror specific adhesive I can find, to no avail.

This time, the bugger even pulled a little chunk of glass out with it.

Has anyone else had this problem? Is it the little patch of paint where the button is supposed to mount not providing enough grip for the glue? Anybody ever JB Weld the stupid button to the glass?

Thanks in advance.
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Old 08-08-2013, 04:29 PM   #2
xxEvolve
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I've JB Welded it countless times, and it kept falling. I just got a wink mirror and never looked back (lol) even though I miss the auto dimming feature but I'd rather have no blind spots.
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Old 08-08-2013, 06:34 PM   #3
uberschall
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Yeah...I don't think I'm ready to give up auto-dimming, the compass, or the sun visors, for that matter.

I think I'm going to scuff the beans out of that stupid paint, mix up some JB and see what happens.
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Old 08-08-2013, 11:03 PM   #4
xxEvolve
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I heard that you need to get a specific glue for mirrors cause JB doesnt cut it, and you can find it at walmart or autozone. Good luck!
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Old 08-09-2013, 12:13 AM   #5
SubieLuvin
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Same **** happened to me doing a pull hit me right in the face.

Tossed it out the window. Never again.
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Old 08-09-2013, 12:45 AM   #6
T-37
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Any windshield shop can put it back on. Explain to them that it keeps falling off. (Most of them will do it for free) The adhesive they use is much better than the kits you can get at autozone.

I had the same thing happen this spring after getting a new windshield. Had to go back to the windshield shop 3 times, but the last time it actually bonded correctly...
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Old 08-22-2013, 05:15 PM   #7
uberschall
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I've used the "mirror specific" glue every time, and I'm really meticulous about following the instructions - cleaning, prepping, etc.

I'll probably take it to a windshield shop, although I'm worried they'll tell me I have to replace the whole bloody thing again on account of the chunk that broke out with the mount this time.
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Old 08-22-2013, 05:29 PM   #8
P-Train
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I had the same issue one summer. I was the same way with their instructions and it fell off another four times before I just did it my own way. (I've got decent adhesive knowledge)

The mirror specific glue is what you want (Permatex I think makes it now). Just dont follow the instructions. Scrape off the old glue, lightly SAND the spot on the windshield with some fine grit, then clean/ prep the surface with the alcohol or whatever they give you, apply the glue, press and hold that button on there twice as long as they say. Let it sit for an hour after before hanging the mirror.


Mirror's been hanging strong ever since.
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Old 08-22-2013, 07:08 PM   #9
Dale2011WRX
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through bolt it
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Old 08-23-2013, 09:12 AM   #10
coldsabre
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i blame direct sunlight on mine. Im in NY and it doesnt get that hot, but mine came off completely one day, after being parked in direct sunlight for over 8 hours. easy fix though.
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Old 08-23-2013, 09:24 AM   #11
T-37
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Quote:
Originally Posted by P-Train View Post
I had the same issue one summer. I was the same way with their instructions and it fell off another four times before I just did it my own way. (I've got decent adhesive knowledge)

The mirror specific glue is what you want (Permatex I think makes it now). Just dont follow the instructions. Scrape off the old glue, lightly SAND the spot on the windshield with some fine grit, then clean/ prep the surface with the alcohol or whatever they give you, apply the glue, press and hold that button on there twice as long as they say. Let it sit for an hour after before hanging the mirror.


Mirror's been hanging strong ever since.
See, when mine fell off, I thought I'd just fix it myself...I did it pretty much as you suggested with the Permatex kit - sans the sanding, but I'm pretty good with a razor blade. I let the clip sit overnight before hanging the mirror...well, it popped back off as I was putting the mirror on.

I watched the guy at the windshield shop put mine on the last time. It fell back off in his hands 2 times while he was doing it. The last time it stayed. The only thing he did different from what the instructions in those kits say was leave the mirror attached to the clip while gluing. He held it in place for ~30 seconds before letting go. Once it's in place don't adjust it for several hours and it should be good.
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Old 08-23-2013, 09:28 AM   #12
P-Train
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Quote:
Originally Posted by T-37 View Post
See, when mine fell off, I thought I'd just fix it myself...I did it pretty much as you suggested with the Permatex kit - sans the sanding, but I'm pretty good with a razor blade. I let the clip sit overnight before hanging the mirror...well, it popped back off as I was putting the mirror on.

I watched the guy at the windshield shop put mine on the last time. It fell back off in his hands 2 times while he was doing it. The last time it stayed. The only thing he did different from what the instructions in those kits say was leave the mirror attached to the clip while gluing. He held it in place for ~30 seconds before letting go. Once it's in place don't adjust it for several hours and it should be good.
Sanding is key, it gives the adhesive a good surface to fill/ bite on.
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Old 08-23-2013, 09:41 AM   #13
T-37
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Quote:
Originally Posted by P-Train View Post
Sanding is key, it gives the adhesive a good surface to fill/ bite on.
It certainly does improve the bond, but good results can still be achieved without sanding.

...the point I was making was that you should leave the mirror attached to the clip so that you know immediately whether you have a good bond or not.
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