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DIY: Sun Faded Wiper Cowl Fix

21K views 45 replies 33 participants last post by  xrathy  
#1 · (Edited)
If you've had your car for a few years and your wiper cowl is fading due to exposure to the sun, I have a fix for you. No wiping or cleaning is necessary. I've made a video to show you how to make your wiper cowl look as good as new. Enjoy.

STEP 1: Get a heat gun.
STEP 2: Aim the heat gun onto the wiper cowl. Hovering just above the cowl and not touching it.
STEP 3: Watch the faded white layer burn off and the cowl become new again.

Part 1

Part 2

* DO NOT OVEREXPOSE THE COWL WITH THE HEAT GUN OR IT MAY WARP
** PLEASE DO THIS AT YOUR OWN RISK. I WILL NOT BE RESPONSIBLE IF YOU SCREW UP YOUR CAR

UPDATE Feb 21, 2012
My cowl is looking great! No warping or damages are observed to the cowl. No damages to my paint either. I suspect that over time, the cowl will begin to fade again from exposure to the sun. You can just repeat the steps to remove the fading again. But it will be a few years before you have to worry about the cowl fading again. It depends on how much exposure to the sun your car gets. If this helped you out, please like it. I very much appreciate it.

UPDATE Aug 10, 2012
The cowl had started to fade again. With my personal experience, this trick will last approximately 6-8 months before you have to re-apply again. Remember that where you park your car affects your cowl longevity. If your work place requires that you leave your car out in the sun for 8-9 hours a day, the exposure will shorten your cowl's life. But like I said before, doing this trick costs basically nothing, except a few minutes of your time.

UPDATE April 16, 2013
My cowl is still looking like new. Again, I stress, do not over expose your cowl with heat from the heat gun or it'll warp your plastic cowl. Enjoy and "LIKE" my videos. Thanks!
 
#17 ·
This is amazing. I am doing this asap i can locate a heat gun. My cowl on a black sedan is killing the look by being almost white (looks like its covered in dried wax).

Do you know how long the effects last? and could this trick be used on other parts on the car that are made of similar material?
 
#20 ·
My original plan was to repaint it, however, since it is not painted in the first place, the heat gun method makes the most sense. also, I think that this piece serves as a vent for the cabin, so expect your cabin to smell like paint for a week...

Heat gun: 2 Painting: 0
 
#23 ·
...just thinking out loud, but can this technique be used to restore the outer trim (that continues onto the roof) I have a sedan but im sure the coupe has something similar.

all my trim (around windows room, cowl etc) is sun-faded :(
 
#32 ·
It's longevity also depends on where you park you car too. If you have a garage and you park in the shade at work, it'll last longer. If your car is mostly exposed to the sun, it won't last as long.

I did this in Jan 2012. Now it's Aug 2012 and the white fading has returned. So I guess you can do this trick once or twice a year. It only takes a few minutes and it doesn't cost you anything, other than your time.

Hopefully this helps you guys out.
 
#29 ·
/\ youre essentially melting the top layers of the plastic. You will lose some of the roughness of the plastic, and the more times you do this, the more smooth it is going to get.

good fix for the first few times though, i would still rather just paint it, and keep the texture for good.