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Old 3rd June 2009, 12:41   #1
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Unhappy Removing Sun Film from windshield with defogger.

My car has rear defogger, and i've had tints installed on it around 7 years back. Now I want to remove it and install another one, but am worried that,pulling off the tints may damage the defogger

What is the way to remove the tint from the window without affecting the defogger in any way?
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Old 3rd June 2009, 13:05   #2
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its not possible to remove tints without damaging the defogger,i am also looking for a solution.
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Old 3rd June 2009, 13:21   #3
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JayD, if i am not wrong for the rear glass tints will be done from outside and by removing it that won't affect the defogger.

You can remove the tints and change it.
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Old 3rd June 2009, 13:34   #4
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gowda.. the tints are done from inside, never from the outside for any glass in the car.

It would be intersting to know how this can be done as i have the same dilema as to how can one remove the tints if one wants to from the defogger equipped glass.
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Old 3rd June 2009, 13:38   #5
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I did get the tints on my Matiz replaced after having them for over 6 years including the rear windshield. I don't see any issues with my rear windshield defogger. It works really fine.
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Old 3rd June 2009, 13:39   #6
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@JayD,

Is the tint applied inside or outside? If inside, expect it to be damaged!

@invisible,
For cars with defoggers, the best practice (and the one I have seen) is to apply the tint on the exterior!

This is done to ensure that the defogger lining does not get damaged or the tint get damaged when defogger is used.

I am not sure how people who end up putting the tint on the inside (ie on top of the defogger lining) use the defoggers?
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Old 3rd June 2009, 13:42   #7
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JayD,
Its not worth the struggle.
I lost my Petra's rear defogger in the very same process and I still loathe taking the decision to change tints on the rear.
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Old 3rd June 2009, 13:45   #8
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Quote:
Originally Posted by invincible7 View Post
gowda.. the tints are done from inside, never from the outside for any glass in the car.

It would be intersting to know how this can be done as i have the same dilema as to how can one remove the tints if one wants to from the defogger equipped glass.
Invincible, tints are done from outside for rear due to the defoggers and only for the side glasses they do it from interiors.

If it is done from the interior then pay for the new defogger there is no other way.
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Old 3rd June 2009, 13:45   #9
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Quote:
Originally Posted by HappyWheels View Post
@JayD,

Is the tint applied inside or outside? If inside, expect it to be damaged!

@invisible,
For cars with defoggers, the best practice (and the one I have seen) is to apply the tint on the exterior!

This is done to ensure that the defogger lining does not get damaged or the tint get damaged when defogger is used.

I am not sure how people who end up putting the tint on the inside (ie on top of the defogger lining) use the defoggers?
As I said, I had the tints applied inside on both my cars (Matiz and NHC) which have defoggers. I did replace the tint in my Matiz and and on both these cars, the defogger works great. I have absolutely no issues.

As far as I know, I have not see any where the tints being applied on the outside as the film would get scratched while cleaning it everyday (especially in India with so much of dust and imagine what it would like when you drive through rains) and makes it difficult view from the central rear view mirror.
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Old 3rd June 2009, 14:17   #10
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Quote:
Originally Posted by muralisk View Post
...As far as I know, I have not see any where the tints being applied on the outside as the film would get scratched while cleaning it everyday (especially in India with so much of dust and imagine what it would like when you drive through rains) and makes it difficult view from the central rear view mirror.
That is because of the number of cars with vs without defoggers that we have in India. Hence you will find all the tint'ers tint'ing on the inside and those people care a foot about your defoggers.

And good to know that your defoggers are working great.

For my understanding - can you tell me if the defoggers are switched on, wont the film also get heated and thereby destroy it? Or is the film strong enough to handle that heat?

EDIT: And another strange thing I notice here: for sticking the tint on the rear glass, they actually remove the glass from the boot! There goes your OEM beading setting and all! <head bang>

Last edited by HappyWheels : 3rd June 2009 at 14:19.
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Old 3rd June 2009, 14:40   #11
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the installer who put the tints on my car damaged the defogger WHILE installing it ( the idiot scraped it with a blade! - was confident nothing would happen to the defogger).

well, at least now I dont have to worry about damaging it while removing it
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Old 3rd June 2009, 14:42   #12
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Its for the same reason I dont have tints of the rear glass. But anyways the heat is of very low intensity to cause any damage to the tints.

So now if we can come back on how to remove from the current FAQ on defogger and tints

I can think of only 2 ways:

- On a very hot day, park you car in the sun with windows closed for 2-3 hrs and then get it removed at the peak of the sun. Ofcourse the risk remains.

- Carefully cut along the lines of the heater alloy leaving some gap.
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Old 3rd June 2009, 14:44   #13
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A good installer can apparently do a 'heat treatment' to warm up the film before removing it. Involves using a heater as well as some black cover they put on the glass for some time before they remove it.
I have heard of this but not done it myself
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Old 3rd June 2009, 15:16   #14
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I was not aware that films can be installed from outside aswell.

Mine was done frm the inside, i am using 3M RE series.

As far as the burning of the film is concerned due to defogger, i dont think the glass heats up to that level wherein the heat would catch fire to the film.

Ok..worst case scenerio..what is the cost of the defogger if it gets damaged. I mean an appx cost.
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Old 3rd June 2009, 15:18   #15
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I have seen this been done at Tint Mart Bangalore, and i have seen them doe this successfully on atleast two cars one was older than 5 years and sadly the rear tint as it came off left some colourful discoloration on the rear glass( this they said was from the low quality gareware tints). But the new tints which were very dark shades hid those pretty well.

yes the procedure involves a heat gun and what looked like some extra sheets of tint material.
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