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Old 08-30-2011, 01:24 PM   #1
ForTheMeantime
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Default Windshield Help - What Is This Stuff?

I have something on my windshield. I don't know if it's grease, tree sap, or some type of grime but it's getting to the point where my vision is becoming a problem when it rains. It's only visible when the windshield is wet, otherwise it's perfectly clear.

I've tried glass cleaner, vinegar (paper towel and newspaper), goof off, degreaser, Glass Science Glass Scrub, a razor blade, and rain-x cleaner. Nothing seems to work.

Water doesn't seem to adhere to it. There's a very prominent mark where the wiper blade stops at the top, other than that it's spotted. It isn't anywhere else on the car.

I'm hoping someone can offer a suggestion for removing whatever this stuff is. I'm assuming I'm not the only one who has had this problem.

I can upload pictures tonight when I get home from work if needed. It's a 2010 STI
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Old 09-04-2011, 10:05 PM   #2
XsoberX
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Two options that come to mind are.. use paint thinner (good kind, go to a local body shop and ask to buy some from them, probably get it for free) and a rag, then use something like rain-x glass sealant. OR, go to an auto glass shop and ask if they know of any options...?
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Old 09-04-2011, 10:15 PM   #3
BXWRX77
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try cleaning with 0000 fine steel wool, I parked under my fig tree and the juice from the figs leak onto the windsheild, it came off with some elbow grease
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Old 09-07-2011, 11:00 AM   #4
lordgrinz
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Old 09-07-2011, 12:22 PM   #5
ForTheMeantime
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I did try steel wool actually, but it didn't seem to help. Maybe I'll give it another shot and put some more effort into it.

Paint thinner is a good idea as well. I recently had the front bumper refinished, so I guess there's always a possiblity that what I have on the windshield is overspray. The guy at the dealership who painted it didn't seem to care very much so I wouldn't doubt it. I still have overspray on my left fender.

I'll let you guys know how it turns out.
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Old 09-07-2011, 02:42 PM   #6
sb04wrx
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i think i have this problem too. Its really hard to explain. its not streaky but its almost as if theres some sort of invisible residue on my windshield in some spots that makes it blurry. If you think this is the same problem youre having and find a fix please do make a post or send me a pm!
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Old 09-07-2011, 03:03 PM   #7
ForTheMeantime
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Quote:
Originally Posted by sb04wrx View Post
i think i have this problem too. Its really hard to explain. its not streaky but its almost as if theres some sort of invisible residue on my windshield in some spots that makes it blurry. If you think this is the same problem youre having and find a fix please do make a post or send me a pm!
It sounds like the same problem. I'll let you know if I have any luck with the above suggestions.
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Old 09-07-2011, 03:05 PM   #8
sb04wrx
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alright thanks, my guess is various cleaning agents have adhered to the glass and paint thinner is probably going to do the trick.
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Old 09-07-2011, 03:32 PM   #9
lordgrinz
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I'm telling you the Glass stripper will work, if you have a NAPA near by, I believe they carry it. I am betting its road grime and silicone from car wax, can't hurt to try it.
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Old 09-07-2011, 06:18 PM   #10
ForTheMeantime
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Quote:
Originally Posted by lordgrinz
I'm telling you the Glass stripper will work, if you have a NAPA near by, I believe they carry it. I am betting its road grime and silicone from car wax, can't hurt to try it.
It looks like Ace Hardware sells it as well. I'm going to try to pick some up tomorrow and see what happens. Thanks for the help!
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Old 09-10-2011, 10:57 AM   #11
WOnToNx77
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i'm interested to hear if you found something that worked. i recently replaced my windshield and am having the same problem where when its wet you see some sort of residue on the windshield. when its dry its perfectly clear. driving in the rain i have the wipers on full and have a hard time seeing
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Old 09-10-2011, 03:52 PM   #12
sb04wrx
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Quote:
Originally Posted by WOnToNx77 View Post
i'm interested to hear if you found something that worked. i recently replaced my windshield and am having the same problem where when its wet you see some sort of residue on the windshield. when its dry its perfectly clear. driving in the rain i have the wipers on full and have a hard time seeing
+ one
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Old 09-10-2011, 10:18 PM   #13
ForTheMeantime
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I haven't had a chance to pick up the glass stripper yet, but I will definitely update the thread after I try it out. Hopefully it works, otherwise there may be a windshield replacement in my future as well. Seems ridiculous to need a windshield replacement on a car made in 2010 though..
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Old 09-10-2011, 11:04 PM   #14
Impressive_Impreza
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Invisible glass cleaner by stoner its legit streak free it cleans off sticker grime to late night sloopge stains
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Old 09-10-2011, 11:27 PM   #15
fhazeIII
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I get a distinct mark of drivers side wiper blade at the top of the wipe. Im gonna try and claybar bar it next time I detail.
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Old 09-11-2011, 10:17 AM   #16
ForTheMeantime
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Quote:
Originally Posted by fhazeIII View Post
I get a distinct mark of drivers side wiper blade at the top of the wipe. Im gonna try and claybar bar it next time I detail.
I have the same problem. Haven't tried the clay bar yet, but I haven't had any luck with anything else. Let me know if it works for you.
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Old 09-11-2011, 10:55 AM   #17
white guys wrx
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Quote:
Originally Posted by ForTheMeantime View Post
I have something on my windshield. I don't know if it's grease, tree sap, or some type of grime but it's getting to the point where my vision is becoming a problem when it rains. It's only visible when the windshield is wet, otherwise it's perfectly clear.

I've tried glass cleaner, vinegar (paper towel and newspaper), goof off, degreaser, Glass Science Glass Scrub, a razor blade, and rain-x cleaner. Nothing seems to work.

Water doesn't seem to adhere to it. There's a very prominent mark where the wiper blade stops at the top, other than that it's spotted. It isn't anywhere else on the car.

I'm hoping someone can offer a suggestion for removing whatever this stuff is. I'm assuming I'm not the only one who has had this problem.

I can upload pictures tonight when I get home from work if needed. It's a 2010 STI

Acetone, Removes any type of paint, or surface crud off of windows. BE VERY CAREFUL USING THIS STUFF THO IT WILL MESS UR CAR UP IF DONE WRONG. GRAB LARGE COTTON BALLS AN APPLY ONLY TO THE AREA NEEDED. DO NOT USE THIS AS A MULTI-CLEANER lol...
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Old 09-11-2011, 04:03 PM   #18
jddssc121
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Ever use a brushless car wash? Those things literally put liquid wax on your windshield.
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Old 09-11-2011, 10:28 PM   #19
cleardaze
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Sounds like you have wax build up on the windshield. It happens a lot, especially if you use automatic car washes a lot or soaps with wax in them. Regardless what it is, try using a clay bar. It's really effective for getting off "gunk". You can also use it on the paint for removing overspray or any other contaminates. Good luck.
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Old 09-12-2011, 12:15 AM   #20
Redefined
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I second the claybar statement.
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Old 09-12-2011, 12:29 PM   #21
Cannibal
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Quote:
Originally Posted by cleardaze View Post
Sounds like you have wax build up on the windshield. It happens a lot, especially if you use automatic car washes a lot or soaps with wax in them. Regardless what it is, try using a clay bar. It's really effective for getting off "gunk". You can also use it on the paint for removing overspray or any other contaminates. Good luck.
What do you recommend for lubrication for the claybar? I ask because I'm guessing you wouldn't want to use the detailer spray on the windshield which I would guess would just put the "wax" back on the windshield. Or am I wrong and using the detailer is OK?
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Old 09-12-2011, 07:25 PM   #22
cleardaze
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they have a special lubricant, and no there is not wax in it. That would defeat the purpose of the clay bar. Truthfully, you can use really soapy water with it for use on your windshield. I've used dish washing liquid and had great results. Just remember that you'll pull a lot of stuff off of there so if the clay starts to stick you need to fold and re "smoosh" for lack of better word.
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Old 09-12-2011, 07:28 PM   #23
cleardaze
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at work we use a product called velocity clear coat protectant but I'm not sure that it's available for consumer use.
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Old 09-13-2011, 09:20 AM   #24
AspenScoob255
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Considering all the products you have already used I seriously doubt there is any wax buildup on the glass. Wipe it down with isopropyl alchohol just to be sure.

The clay bar may work, as for lubricant just go to advanced auto or whatever you have near you and pick up a Megs "smooth surface" kit. Everything you need is included. This is not an aggressive clay but should apply well enough in you situation.

Now this is not meant to be condiscending (spell check), but have you cleaned the interior of the glass?

There is a residual build up over time on the interior due to vinyl degassing, cigarettes (if applicable), and other assorted grime. This will cause cloudiness, especially with temperature variation between the interior and exterior.
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Old 09-13-2011, 09:34 AM   #25
cleardaze
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omg please don't start throwing alcohol all over your windshield. Lol seriously wax doesn not come off completelyother methods. Even acetone will still leave a risidual haze on the windshield. I'm speaking as a professional and not just someone who washes their car once a month and watches spike TV.
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