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02-24-2015, 08:55 PM
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#1 |
 Drives: 2007 Yaris Sedan Join Date: Jun 2010
Location: Camden, Maine
Posts: 4
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Yellow Fluid Drips
I saw some yellow fluid drips left from my car the other day after a fresh snowfall, any idea what this could be from? My coolant is red, and the brake fluid seems to be all there. The drips were not concentrated to where the car was parked, but followed the car as it drove along the driveway. I guess it could have been engine oil but I changed it months ago and I don't suspect it would still be so yellow (think brake fluid). Anybody else have this problem?
Thanks for your help, 2007 Yaris 4 door sedan, Automatic |
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02-24-2015, 09:42 PM
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#2 |
 ULTIMATE
Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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The other fluid that is yellow when leaked is the oil in the refrigerant for the AC system.
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02-25-2015, 12:07 AM
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#3 |
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やりすぎだ～
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cat urine
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02-25-2015, 12:52 AM
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#4 |
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Minimalist
Drives: 07 silver sedan Join Date: Jun 2014
Location: Mississauga, GTA, Toronto, ON
Posts: 432
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^^especially when it's still warm and fresh
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02-25-2015, 01:51 AM
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#5 |
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It's the illusion you see
Drives: 07 Yaris Sedan Aero Join Date: Oct 2006
Location: Brossard, QC
Posts: 3,888
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Wow! I've seen the same thing a month ago when my driveway was still covered in fresh snow.
I guess I should be able to see the leak by following the AC lines if that was the case right?
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02-25-2015, 05:25 AM
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#6 | |
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Join Date: Feb 2010
Posts: 603
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Quote:
Maybe this helps... https://www.youtube.com/watch?v=eY7ZX6ngOSs |
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02-25-2015, 06:11 AM
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#7 |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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Could be from melting ice/snow.
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Synthetic Oil: Its All In Your Head |
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02-25-2015, 06:29 AM
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#8 |
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It's the illusion you see
Drives: 07 Yaris Sedan Aero Join Date: Oct 2006
Location: Brossard, QC
Posts: 3,888
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Cat urine would be a big patch.
I had just 4-5 drips after moving the car away to remove snow.
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02-25-2015, 01:02 PM
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#9 |
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Drives: 2007 Yaris 5 door RS Join Date: Nov 2014
Location: Kitchener, ON
Posts: 178
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If it is A/C, shine a blacklight at the snow (counterfeit money detector lights work as well). If the stain glows very brightly, your A/C is for certain leaking. I'd suggest disconnecting the wiring to the compressor for the winter. This way when you repair it in the summer you'll only be repairing the leaky part, not the compressor as well.
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02-25-2015, 08:13 PM
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#10 |
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Drives: 2010 yaris 3 door hatch Join Date: Jun 2013
Location: Sheboygan Falls, Wi.
Posts: 506
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Sometimes the moisture in the exhaust leaks out in weird colors, I've seen them leak a greenish yellow color.
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03-04-2015, 08:17 AM
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#11 |
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It's the illusion you see
Drives: 07 Yaris Sedan Aero Join Date: Oct 2006
Location: Brossard, QC
Posts: 3,888
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There, saw the drippings today. Here are some pics
ImageUploadedByTapatalk1425474937.030855.jpg ImageUploadedByTapatalk1425474945.630926.jpg
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03-04-2015, 09:32 AM
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#12 |
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ULTIMATE
Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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By the color I would almost have to say mouse or chipmunk urine. Did you smell it?
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03-04-2015, 09:58 AM
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#13 |
Drives: 06 Polar White 5dr, 13 Soul 4u Join Date: Oct 2008
Location: Georgetown, Ontario, Canada
Posts: 5,740
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I've got exactly the same thing. Mine is definitely not animal related as there are no tracks in the snow. Unless of course something is roosting somewhere in the under body and peeing down. My yellow splotches are much too large to be mouse.
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03-04-2015, 11:03 AM
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#14 | |
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It's the illusion you see
Drives: 07 Yaris Sedan Aero Join Date: Oct 2006
Location: Brossard, QC
Posts: 3,888
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Quote:
As WeeYari says, there are not paw prints anywhere, fresh snow this morning. Can I test the AC system pressure with a tire pressure gauge?
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03-04-2015, 11:45 AM
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#15 |
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Drives: 06 Polar White 5dr, 13 Soul 4u Join Date: Oct 2008
Location: Georgetown, Ontario, Canada
Posts: 5,740
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I've shoveled my drips away, but in thinking about where they were, relative to the position of the car when parked, the drips were nowhere near any of the a/c components. More like mid to rearward section of the car, right down the center line.
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03-04-2015, 01:46 PM
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#16 |
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Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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Do you have Prestone in the radiator?
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Synthetic Oil: Its All In Your Head |
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03-04-2015, 02:23 PM
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#17 |
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It's the illusion you see
Drives: 07 Yaris Sedan Aero Join Date: Oct 2006
Location: Brossard, QC
Posts: 3,888
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I'm still using the original pink coolant.
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03-04-2015, 03:30 PM
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#18 |
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Drives: 2015 H Production Yaris Join Date: Oct 2009
Location: Debary, FL
Posts: 1,953
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2005-2008 SCCA Solo BS National Champion 2017-2018 SCCA H Prod National Champion 
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