Heater can't keep windshield from icing up.....

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Dec 19, 2016 | 08:15 PM

jake00

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Joined: Apr 2004

Posts: 13,589

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From: NW burbs of chicago

Heater can't keep windshield from icing up.....

Anyone else have this issue?
It was about 5 degrees out, Hit some sleet like crap. The windshield would ice over starting at the top if going faster than 30mph. (Was going 60-70)

I'd have to stop every 20 miles or so and scrape a thick layer of ice off, then it was start again almost instantly.

The defrost was on hi, and hot (this started happening 200 miles into a 350 mile trip).
It didn't help that the washer fluid wasn't coming out...

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Dec 19, 2016 | 10:00 PM

Curt's05

Wiser by FTE

Joined: Jan 2010

Posts: 2,837

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Ive had the same problem with the large windshield on my 05 excursion 6.0 The only thing that helped was rain-x

Dec 19, 2016 | 10:04 PM

scott91370

Fleet Mechanic

Joined: Dec 2008

Posts: 1,909

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From: Burleson, Tx

It helps a little (maybe enough) to lower your sun visor. Keeps heat up at the top a little better.

Dec 19, 2016 | 10:56 PM

seventyseven250

Lead Driver

Joined: Jun 2005

Posts: 8,457

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From: Calgary Canada

If ice is falling from the sky, there isn't a heater in the world that can keep up. The newer "quietglass" windshields are even worse, because they are thicker.

Dec 20, 2016 | 10:34 AM

pikapp

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Joined: Aug 2015

Posts: 319

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From: NKY

Try the washer fluid spray to clear the ice. I do that in the mornings when the windshield is frosted over, cleans it right up, along with the defroster.

Dec 20, 2016 | 10:38 AM

rmccbride

Tuned

Joined: Feb 2013

Posts: 474

Likes: 4

From: SE Michigan

Quote:

Originally Posted by pikapp

Try the washer fluid spray to clear the ice. I do that in the mornings when the windshield is frosted over, cleans it right up, along with the defroster.

He will have to drill out the check valve first to get them working in below freezing temperatures... He was. Lucky he was able to get The door open to even get in the truck..

Remember all winter testing. Was done in Florida on these trucks..