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Use Dish Soap to Clean Inside of Windshield #4691467
03/11/18 12:51 PM
03/11/18 12:51 PM
Joined: May 2017
Posts: 8
Utah
Themiker Offline OP
Themiker  Offline OP
Joined: May 2017
Posts: 8
Utah
It seems like with windshields that are not cleaned frequently, I could almost never get them clean. They always had streaks that became visible when light shinef on the windshield.
It seems like the streaks are a greasy residue (supposedly from all the petroleum based materials in the car off-gasing) so I thought Dawn dish soap would be a good product to try and I'm glad to report it works amazingly well!

1. Get a pretty wet (but not dripping) microfiber towel and put 2 drops of dawn on it. Rub this all over the windshield.
2. Wipe it dry with a clean wet microfiber.
3. Clean it with a clean, dry microfiber and window cleaner spray (I use Meguiar's just because I have it but household Windex probably works just as well).

It takes a bit of time but I love it so much better than trying Windex and Magic Erasers cause those usually required several attempts on dirty windows.

Re: Use Dish Soap to Clean Inside of Windshield [Re: Themiker] #4691475
03/11/18 12:59 PM
03/11/18 12:59 PM
Joined: Jan 2008
Posts: 10,694
OH
SatinSilver Offline
SatinSilver  Offline
Joined: Jan 2008
Posts: 10,694
OH
It's common of some window cleaners to streak after one use. Per the instructions on the Invisible Glass can it says to clean 2x.

I just use Sprayway from Home Depot for $3 per can. Just takes one application and doesn't streak. RtexasF from here introduced it to me years ago. Plus he's an excellent detailer.

Re: Use Dish Soap to Clean Inside of Windshield [Re: Themiker] #4691503
03/11/18 01:27 PM
03/11/18 01:27 PM
Joined: May 2005
Posts: 10,282
ROCHESTER, NY
Char Baby Online content
Char Baby  Online Content
Joined: May 2005
Posts: 10,282
ROCHESTER, NY
My wife cleans the inside windshield of our cars and uses the dish soap similar to the way you do(very small amount). However, she skips the glass cleaner step. She says it isn't needed.


"Retired"
-----------------------------------

'80 Firebird FORMULA V8/4bbl-purchased "NEW"
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'15 Honda Civic LX
Re: Use Dish Soap to Clean Inside of Windshield [Re: Themiker] #4691509
03/11/18 01:38 PM
03/11/18 01:38 PM
Joined: Nov 2008
Posts: 3,157
Oshawa, Ontario Canada
JC1 Offline
JC1  Offline
Joined: Nov 2008
Posts: 3,157
Oshawa, Ontario Canada
Originally Posted By: Themiker
It seems like with windshields that are not cleaned frequently, I could almost never get them clean. They always had streaks that became visible when light shinef on the windshield.
It seems like the streaks are a greasy residue (supposedly from all the petroleum based materials in the car off-gasing) so I thought Dawn dish soap would be a good product to try and I'm glad to report it works amazingly well!

1. Get a pretty wet (but not dripping) microfiber towel and put 2 drops of dawn on it. Rub this all over the windshield.
2. Wipe it dry with a clean wet microfiber.
3. Clean it with a clean, dry microfiber and window cleaner spray (I use Meguiar's just because I have it but household Windex probably works just as well).

It takes a bit of time but I love it so much better than trying Windex and Magic Erasers cause those usually required several attempts on dirty windows.


Thanks, I'll give this a try next time.


2015 Grand Caravan SXT Plus 5w-20 PPPP/Fram Ultra Filter
1997 Honda Civic CX 5w-30 Shell Conventional/Fram Ultra Filter
Re: Use Dish Soap to Clean Inside of Windshield [Re: Themiker] #4691598
03/11/18 03:03 PM
03/11/18 03:03 PM
Joined: May 2012
Posts: 1,368
The land of USA-made Subies!
SubieRubyRoo Offline
SubieRubyRoo  Offline
Joined: May 2012
Posts: 1,368
The land of USA-made Subies!
Yes, skip the cleaner as the final step. The dish soap will leave a protective layer which helps prevent the crud you see when looking at oncoming lights, which is removed if you use a glass cleaner afterwards.

Re: Use Dish Soap to Clean Inside of Windshield [Re: Themiker] #4691689
03/11/18 04:37 PM
03/11/18 04:37 PM
Joined: Jun 2008
Posts: 444
The 805, CA.
FastEddie Offline
FastEddie  Offline
Joined: Jun 2008
Posts: 444
The 805, CA.
I buy generic glass towels that are the same as CarPro FastGlass, never looking back.

Re: Use Dish Soap to Clean Inside of Windshield [Re: FastEddie] #4691697
03/11/18 04:46 PM
03/11/18 04:46 PM
Joined: Aug 2010
Posts: 5,685
Champlain/Hudson Valley
Kira Offline
Kira  Offline
Joined: Aug 2010
Posts: 5,685
Champlain/Hudson Valley
Age old problem.
Years ago, during a discussion about selling cars privately, I said, "Clean the windows FOR REAL".
I got a flood of concurrence.

Don't care how you cut it, cleaning auto glass is challenging!

Thanks for he EZ tip.

Re: Use Dish Soap to Clean Inside of Windshield [Re: SatinSilver] #4691698
03/11/18 04:46 PM
03/11/18 04:46 PM
Joined: Oct 2006
Posts: 1,568
Oshawa, Ont. Canada
irv Offline
irv  Offline
Joined: Oct 2006
Posts: 1,568
Oshawa, Ont. Canada
Originally Posted By: SatinSilver
It's common of some window cleaners to streak after one use. Per the instructions on the Invisible Glass can it says to clean 2x.

I just use Sprayway from Home Depot for $3 per can. Just takes one application and doesn't streak. RtexasF from here introduced it to me years ago. Plus he's an excellent detailer.


I have read great things about this so I am curious if it is available up here? My Invisible glass stash is quite full yet but when it is gone, I'd like to try sprayway, if available?

Anyone ever try/use vinegar and newspaper? I never have but heard many people over the years say it works great as well? shrug
https://www.apartmenttherapy.com/how-to-clean-a-window-with-new-109240


2017 Chevy Impala 3.6 L.
2013 Ram 5.7 L Hemi Bighorn QC 4x4
2008 Chevy Malibu 2.4 L Ecotec
Pennzoil Platinum and/or Pennzoil Ultra Platinum for all 3.
Re: Use Dish Soap to Clean Inside of Windshield [Re: Themiker] #4691783
03/11/18 06:36 PM
03/11/18 06:36 PM
Joined: Dec 2008
Posts: 2,407
CA
raytseng Offline
raytseng  Offline
Joined: Dec 2008
Posts: 2,407
CA
sprayway is legit and has been around for decades since 1947 they say.

Its not just for cars, its more for professional housekeepers and is far less expensive than car specific producrs.
Any place that supplies housekeepers should have sprayway available.

I use it for household mirrors especially bathroom mirrors it takes all the gunk off easily in 1 pass, but also stuck a can in the garage care kit.

A very small downside is it does have some fragrance or odor compared to invisible glass. so you should let it air out.

Last edited by raytseng; 03/11/18 06:39 PM.
Re: Use Dish Soap to Clean Inside of Windshield [Re: Themiker] #4691801
03/11/18 06:58 PM
03/11/18 06:58 PM
Joined: Oct 2012
Posts: 4,626
Taiwan
Ducked Offline
Ducked  Offline
Joined: Oct 2012
Posts: 4,626
Taiwan
Newspaper

But that's another old-school product on the way to unobtainium status.

Re: Use Dish Soap to Clean Inside of Windshield [Re: Themiker] #4691838
03/11/18 07:39 PM
03/11/18 07:39 PM
Joined: Jun 2003
Posts: 17,368
Deplorable in apple valley, ca
Chris142 Offline
Chris142  Offline
Joined: Jun 2003
Posts: 17,368
Deplorable in apple valley, ca
Napa sells "macs 8100" spray window cleaner. That and newspaper is all I ever used.


02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: Use Dish Soap to Clean Inside of Windshield [Re: Themiker] #4691852
03/11/18 07:49 PM
03/11/18 07:49 PM
Joined: Apr 2005
Posts: 584
Under the hood
Carmudgeon Offline
Carmudgeon  Offline
Joined: Apr 2005
Posts: 584
Under the hood
I have both IG and Sprayway and prefer the former. Both are available at Home Despot; IG is ~$1 more per can, so cost isn't a huge factor.

The best way to avoid interior glass buildup is parking in the shade, and stick to a regimen that won't allow it to accumulate.

Re: Use Dish Soap to Clean Inside of Windshield [Re: raytseng] #4691895
03/11/18 08:32 PM
03/11/18 08:32 PM
Joined: Oct 2005
Posts: 86
Boston, Massachusetts
Exit32 Offline
Exit32  Offline
Joined: Oct 2005
Posts: 86
Boston, Massachusetts
Another Sprayway benefit is that it has no ammonia in it. This is important when cleaning mirrors. If you've ever seen a mirror with discolored silvering around its edges, it's because someone used an ammonia-based glass cleaner; e.g., Windex.


2018 Explorer 3.5 EcoBoost
2004 Buick Rainier V8
2002 T-Bird
1999 F250 V10
1967 Camaro
1966 Shelby Cobra
1966 Pontiac GTO
1965 Rambler American
1957 T-Bird
Re: Use Dish Soap to Clean Inside of Windshield [Re: FastEddie] #4691989
03/11/18 10:40 PM
03/11/18 10:40 PM
Joined: May 2017
Posts: 8
Utah
Themiker Offline OP
Themiker  Offline OP
Joined: May 2017
Posts: 8
Utah
Originally Posted By: FastEddie
I buy generic glass towels that are the same as CarPro FastGlass, never looking back.

Interesting! I haven't heard of these before. I'll have to try them cause they'd be easier if they work.

Re: Use Dish Soap to Clean Inside of Windshield [Re: Char Baby] #4691990
03/11/18 10:44 PM
03/11/18 10:44 PM
Joined: May 2017
Posts: 8
Utah
Themiker Offline OP
Themiker  Offline OP
Joined: May 2017
Posts: 8
Utah
Originally Posted By: Char Baby
My wife cleans the inside windshield of our cars and uses the dish soap similar to the way you do(very small amount). However, she skips the glass cleaner step. She says it isn't needed.


I'll give it a try skipping that step. When the windows are hot some of the water dries before I can wipe it off so that requires the window spray but if the windows not hot, I'll try skipping that step. Thanks for the tip!

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