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#4581815 - 11/22/17 11:29 AM Ever washed your car in the rain?
Bgallagher Offline

Registered: 04/17/12
Posts: 3159
Loc: Boston, MA
It is hit or miss with washing in the rain. Some people say no way others say that rain itself is low mineral etc. That being said it is raining fairly heavily in MA today and warm so I decided to do a traditional wash and not dry it because the rain is fairly heavy and tomorrow is going to be a high of 40. That being said I know it wont be perfect but washing is better than not washing right? Opening this up for discussion...

Edited by wwillson (11/22/17 12:22 PM)
Edit Reason: subject clarification

#4581819 - 11/22/17 11:34 AM Re: Ever washed your car in the rain? [Re: Bgallagher]
JustN89 Offline

Registered: 06/27/17
Posts: 472
Loc: DFW
I've done this. Great way to conserve water and have a little fun. If you're looking to clean off dirt, this is a good way to do it. If you're looking for anything more than dirt removal, this probably isn't the best way to do this. This probably goes without saying, but you will not get a showroom level carwash from rain water.

#4581827 - 11/22/17 11:42 AM Re: Ever washed your car in the rain? [Re: Bgallagher]
ammolab Online   content

Registered: 01/16/06
Posts: 996
Loc: Ruidoso, NM USA
Many times. Water restrictions abound in NM these days but Summer thundershowers can bring a good wash day.

Even my sunny day washes are "rainwater"...filtered from a 550 gallon tank under the back deck.
2009 Honda CR-V
2011 BMW R1200R
2005 Kaw Ninja 250
1994 Jeep Wrangler 2.5L
2016 Chevy SS Sport Sedan

#4581843 - 11/22/17 11:54 AM Re: Ever washed your car in the rain? [Re: Bgallagher]
PiperOne Online   content

Registered: 10/25/17
Posts: 184
Loc: A Highway Near You
I've done it. soap the truck up in the shop and throw it outside to "rinse" in the rain. Not a show quality result because of the water spots..but it works.
HDEO in Diesel Engines. No spark plugs here.

#4581846 - 11/22/17 11:57 AM Re: Ever washed your car in the rain? [Re: Bgallagher]
PimTac Offline

Registered: 03/04/17
Posts: 4292
Loc: Soviet State of Washington
Living in the Puget Sound region in WA state, you cannot avoid washing your car in the rain. In fact I washed and waxed the car last Sat and it rained the last ten minutes of the job. Fortunately I have a carport to pull it into.
2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
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#4581851 - 11/22/17 12:02 PM Re: Ever washed your car in the rain? [Re: Bgallagher]
4WD Offline

Registered: 09/21/10
Posts: 6374
Loc: Texas
I have washed cars/trucks/HD equipment in the rain (younger days)
I will soak and power wash the black truck at the coin wash while raining and hit the highway good to chase some mud and salt from underneath while the rainwater does not let it spot like my home water does

#4581924 - 11/22/17 01:23 PM Re: Ever washed your car in the rain? [Re: Bgallagher]
gofast182 Offline

Registered: 04/30/13
Posts: 1692
Loc: NJ
Yes but I learned you need very heavy rain to rinse all of the soap off.
2006 S2000 - Berlina Black - PU 10w30, PCX-004
2017 340i xDrive - Black Sapphire - Dlr Fill, 114...898
2011 MDX Tech - Aspen White - Dlr Fill, PLM-A01

#4581943 - 11/22/17 01:43 PM Re: Ever washed your car in the rain? [Re: Bgallagher]
HoosierJeeper Offline

Registered: 11/23/16
Posts: 1276
Loc: WI
No, I always rewash after it starts raining while I'm washing something.
15 Jeep KL Limited V6: Formula Shell 5W20
07 LR3 SE V8: Maxlife 5W30
05 Jeep KJ Limited: PHM 5W30
96 Jeep XJ Country: STP HM 5W30 (winter)

#4581955 - 11/22/17 01:55 PM Re: Ever washed your car in the rain? [Re: Bgallagher]
Tman220 Offline

Registered: 09/20/16
Posts: 144
Loc: MN
I've done it, It helps when you have a black car, it doesn't get so hot that it bakes the soap on before having to rinse it off.

I have also found as long as it rains long enough to drop any particulates out of the air, dust, pollen, and enough to rinse off the tap water, rain will not leave any water spots.
2012 Regal GS Turbo PP 5w30
1994 Camaro Z28 LT1 355 CI, 430 RWHP PP 5W30

#4581991 - 11/22/17 02:31 PM Re: Ever washed your car in the rain? [Re: Bgallagher]
JamesBond Offline

Registered: 12/13/06
Posts: 843
Loc: midwest
I do it all the time because I live in an apartment in the city and I'm cheap. I use diluted car wash soap in a spray bottle, a bucket for rinsing the rag and a couple of cat litter jugs full of water to help rinse out dirt and leaves that collect around the windows, trunk etc. I even spray on some spray wax and wipe it around if it's not raining too hard at the time.

#4582059 - 11/22/17 03:37 PM Re: Ever washed your car in the rain? [Re: JamesBond]
Malo83 Offline

Registered: 08/08/08
Posts: 2000
Loc: Cali
No! smart enough to get out of the rain LOL

#4582103 - 11/22/17 04:18 PM Re: Ever washed your car in the rain? [Re: Bgallagher]
JeffKeryk Offline

Registered: 01/09/10
Posts: 252
Loc: Los Gatos, CA
I haven't, but in CA is it becoming more common due to the severe drought conditions.
I used to wash the cars fairly often; now almost never...

#4582105 - 11/22/17 04:21 PM Re: Ever washed your car in the rain? [Re: Bgallagher]
jakewells Offline

Registered: 12/28/12
Posts: 468
Loc: Cave City KY
i let the rain wash my car because i live on a gravel road.
1994 Ford F150 302 4R70
Chevron Delo SAE 30 CF/SL Fram XG8A
1978 Chevy Nova 250 I6 3 on the tree.
Rotella 10W40 Fram TG30

#4582106 - 11/22/17 04:23 PM Re: Ever washed your car in the rain? [Re: Bgallagher]
Jeffs2006EvoIX Offline

Registered: 02/28/10
Posts: 1623
Loc: Imperial Valley, California
I haven't actually washed my car in the rain, but when I was a kid, my Dad helped me buy a 91 GMC Sonoma. It was new, and I was so proud of it. It was raining bad and it was all muddy. So I drove it in the garage, washed it and waxed it, then put it right back out in the rain. haha.

I did that because I didn't like how the truck was "Beading". Geeze I was a skitzo haha.

Possibly still am. haha.

"You don't have to be crazy to do this... But it helps." Bob Ross.

#4582379 - 11/22/17 08:38 PM Re: Ever washed your car in the rain? [Re: Bgallagher]
Nick1994 Offline

Registered: 02/19/13
Posts: 10108
Loc: Phoenix, AZ
Yup, did it in September. The Sonata was reallllly dirty outside, and it had been 100+ degrees outside for months on end. Then one night it started raining and it was so nice and cold, washed it up. Next morning it looked pretty good, but had water spots.

Was worth it.
2015 Hyundai Sonata 2.4L 79k PU 5w30 & OEM
2000 Toyota Camry 2.2L 228k M1 AFE 0w30 & Wix
1996 Jeep Cherokee 4.0L 146k M1 HM 10w40 & Fram Ultra

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