Rear defroster detached from Window, how to reattach? - LS1TECH

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Rear defroster detached from Window, how to reattach?

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Old 02-07-2008, 12:10 AM   #1
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Default Rear defroster detached from Window, how to reattach?

Had my car a couple weeks now, noticed the rear defroster wasn't working. The light would come on but nothing would happen. I popped the hatch and noticed that the piece which mounts to the glass is entirely detached. How can I go about reattaching this piece?
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Old 02-07-2008, 12:42 AM   #2
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You need to get a $10.00 repair kit at a car parts store.

It is called a rear window defrost repair kit.

It will fix broken traces on the windowglass or broken mounts. No biggie here.
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Old 02-07-2008, 01:02 AM   #3
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Ok cool.
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Old 02-07-2008, 08:43 AM   #4
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The repair kit will resolve individual lines that are out. If the lead wire has come off completely it will need to be soldered back on.

GM calls for taking out the defogger fuse, cleaning the contacts, using a rosin flux paste on the surfaces, and then soldering the connection with solder containing 3% silver.
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Old 02-07-2008, 09:40 AM   #5
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Well, the piece that sits against the window came unattached. I believe everything else is still in working order.
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Old 02-08-2008, 08:21 AM   #6
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Can you send a picture?
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Old 02-08-2008, 02:22 PM   #7
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Here's the pictures.
Click the image to open in full size.
Click the image to open in full size.
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Old 02-09-2008, 11:37 AM   #8
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Yea, that piece is soldered to the bus bar on the window. The metal clip should come out of the black plastic socket and can then be re-soldered to the window. All of the rust and oxidation will need to be taken off with steel wool before re-soldering and you'll need a large solder gun. (A soldering iron won't get the job done - the metal clip will absorb too much heat.)

If you aren't comfortable with doing the re-solder, you might call a auto glass company. I'd expect they have the tools and are used to doing this kind of repair.
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Old 02-09-2008, 11:37 AM
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