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post #1 of 27 Old 01-13-2020, 10:21 AM Thread Starter
tecumsa
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Defogger tab

Anyone have to replace this? Could use some advice.

Mine popped off for some reason, went to a local parts store and picked up Permatex repair

https://tinyurl.com/sc9jhm3

Followed everything exactly, twice, both times the tab just came off the window along with my finger, didn't even try to stick.

I went to the dealer, Jeep, in its infinite reasoning, doesn't repair the tab they just charge you for a whole new window. Isn't that wonderful. Went to Ryan Auto Glass the kid there looked at it and said, "your adhesive is clear, ours is black" and that was that.

Failing any ideas from here my thought is dielectric grease on the tab and epoxy around the rim of the connector to hold it to the glass, though I'm not sure the grease would provide an adequate electrical connection.

While I was at the dealership asking them about it (and finding out I'd have to pay to replace the entire window) I stopped by the parts department. The guy there pulled me aside and said that before Jeep mandated replacements they recommended a product called Frost Fighter 2000, but that the expense (near $50) prohibited them from selling it in the department.

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post #2 of 27 Old 01-13-2020, 10:53 AM
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Quote:
Originally Posted by tecumsa View Post

Failing any ideas from here my thought is dielectric grease on the tab and epoxy around the rim of the connector to hold it to the glass, though I'm not sure the grease would provide an adequate electrical connection.
Dielectric: insulating material or a very poor conductor of electric current.


I have heard mixed results regarding the use of conductive epoxy.
I have heard good results regarding re-soldering the connector to the grid.


I am waiting for warmer weather to re-solder mine.

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post #3 of 27 Old 01-13-2020, 11:17 AM Thread Starter
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How would you resolver? I would think the solder would solidify faster than you can get the connector onto the window.
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post #4 of 27 Old 01-13-2020, 11:41 AM
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How would you resolver? I would think the solder would solidify faster than you can get the connector onto the window.
My plan is to tin the connector and the spot on the grid.
Then, sandwich the iron between the connector and the grid. When they melt, pull the iron out, allowing the two surfaces to "snap" together.

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post #5 of 27 Old 01-13-2020, 12:26 PM Thread Starter
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I wish you luck, still think it's a fast operation, just going by my days building electronics.

I found a liquid solder that has an acceptable work time, but it says it only works on copper and steel, not aluminum. Not sure, but the connector looks aluminum, don't know what the window grid is at that point, the grid lines are copper, but the connection point doesn't look it.
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post #6 of 27 Old 01-13-2020, 12:30 PM Thread Starter
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Heard back from Permatex, their support guy is going to send me a complete repair kit, not sure just what that entails but he thinks it might work. I'll post back when I give it a shot. Temps start dropping again on Wed so my repair window will be gone by then until things warm up again.
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post #7 of 27 Old 01-13-2020, 01:19 PM
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I did a couple years at a GMC/Caddy dealership, and they actually had a TSB on their defroster tabs which were falling off left and right in the Yukons and Escalades.
They supplied new silver tabs and required the techs use high silver content solder. Most of them held, some required replacing the glass.

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post #8 of 27 Old 01-13-2020, 05:57 PM
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Here's an updated version of that GM TSB on their tab repair/re-attachment. Apparently they're still having issues with the newer models and are no longer suggesting soldering. This may give some ideas for making them stick with that epoxy kit...

https://static.nhtsa.gov/odi/tsbs/20...54634-9999.pdf

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post #9 of 27 Old 01-23-2020, 12:46 AM
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Have heard good reviews about the Frost fighter kit: https://www.frostfighter.com/defrost...g-kit-2000.htm

A little expensive but I ordered a kit to reattach one of my tabs. Once I get it, I'll post how well it works.

-jim

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post #10 of 27 Old 01-23-2020, 06:10 AM Thread Starter
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Yep. That's what the local Jeep dealer recommended. I spoke with a guy who does window repairs, he suggested taking care if you go the solder route, if the temp difference is too great it can crack the window. He's replaced a couple windows from people trying it.
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post #11 of 27 Old 01-23-2020, 01:25 PM
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Dealer repair

Local dealer repaired mine last May. So far so good. Used part # 7651982.
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post #12 of 27 Old 01-23-2020, 01:29 PM Thread Starter
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Search on Mopar site doesn't return that part number. Any idea what it is?
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post #13 of 27 Old 01-23-2020, 01:35 PM
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He seemed to indicate it was some sort of repair kit. I canít find it now either. I wonder if it was discontinued. He did say it that kit didnít work, then the rear glass would have to be replaced. I have the lifetime warranty, so if it fails again, Iíll get a new rear window-hopefully.
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post #14 of 27 Old 01-23-2020, 01:41 PM Thread Starter
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Okay, that makes sense. The part guy I spoke to said the kit they used was no longer allowed, that's why he gave me the Frost Fighter info.

I have the lifetime warranty as well. No, it won't be covered. Glass is not included. Personally, I think that's why the kit was discontinued. From what I was told repairing the tab was a covered item, replacing the glass is not. Since they're not allowed to repair the tab anymore they get to ding you for the entire glass replacement.
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post #15 of 27 Old 01-23-2020, 06:24 PM
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Oh man. Guess if it breaks off again it will stay that way. Bummer. Good luck!
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