Pink and green stains on air filter?

iammclovin804 · March 29th, 2011, 09:31 AM

So I just picked my car back up after being in california for 6 months. My grandfather was supposed to take care of it for me but I guess he didn't really do that. I checked my air filter and noticed one side had some pink and green stains on it. Like some fluid had gotten in there. What could have caused this? I already replaced the filter so no worries about that.

Nightmare69 · March 29th, 2011, 09:33 AM

Pollen, anti freeze?

Lumoon · March 29th, 2011, 09:34 AM

is it a stock air filter?

How dark was the green?
Which side if you remember were the stains on?

iammclovin804 · March 29th, 2011, 09:46 AM

This is the side with the stains. Dont know if it helps too much.

Alexander III · March 29th, 2011, 09:55 AM

Eww. That doesn't look good. Anti-freeze?

iammclovin804 · March 29th, 2011, 09:58 AM

I was thinking antifreeze but i have no idea how any would have gotten in there.

Tang Stang · March 29th, 2011, 10:00 AM

Washer fluid, maybe? If you're really curious, try dripping various fluids on the filter and see what they look like once dried on there.

Alexander III · March 29th, 2011, 10:03 AM

I'd keep an eye out. Check all of your hoses and for any vacuum leaks or cracked plastic.

wolfeman04 · March 29th, 2011, 02:19 PM

it almost looks like that colored foam stuff that car washes use.

Lumoon · March 29th, 2011, 03:11 PM

The red looks like tranny fluid, which I have no idea how it got there since the transmission dipstick is on the complete other side of the engine bay.

The green looks like Coolant maybe he has a bad hose on the radiator and when it heats up it leaks and sprays like old faithful.

Are their stains on the underside of your hood? Is the coolant return hose in good shape, no cracks, no holes, good tight fit on the hose clamps? Check your transmission fluid level just to be safe.

Did you replace the filter?
Does the new filter have the same stains?
The only other option I can think of is there was some spray off the road when the car was being driven.

walt1120 · March 29th, 2011, 04:11 PM

Originally Posted by wolfeman04

it almost looks like that colored foam stuff that car washes use.

i wouldnt rule this out, it makes sense if it was able to get into the wheel well. i always turn my car off on the auto washer because i fear my cai will suck the water and foam in

iammclovin804 · March 29th, 2011, 05:49 PM

All my hoses are perfectly fine. Im thinking what wolfeman said could be it. The new filter I put in there doesn't have any stains on it. My grandpa had it and he might have taken it to an automatic car wash even though he knows I would never do that. All my fluid levels are fine so car wash stuff sounds the most plausible at this point. Thanks for all the help though guys.

Alexander III · March 29th, 2011, 06:54 PM

Crazy stuff lol...

March 29th, 2011, 09:31 AM	#1
iammclovin804 Regular 2004 Mustang GT Join Date: Mar 2010 Location: Kaneohe Bay, HI Posts: 342 iTrader: 0 reviews	Pink and green stains on air filter? So I just picked my car back up after being in california for 6 months. My grandfather was supposed to take care of it for me but I guess he didn't really do that. I checked my air filter and noticed one side had some pink and green stains on it. Like some fluid had gotten in there. What could have caused this? I already replaced the filter so no worries about that.

March 29th, 2011, 09:33 AM	#2
Nightmare69 All Homo All The Time 2003 Mustang GT Whatever you run plus 5 seconds Join Date: May 2010 Location: East Texas Posts: 1,995 iTrader: 1 reviews	Pollen, anti freeze? __________________ BLACK STANG CREW MEMBER #30

March 29th, 2011, 09:55 AM	#5
Alexander III Absens haeres non erit '11 Performance Package 4.61@356.68 Join Date: Dec 2007 Location: Atlanta Posts: 2,817 iTrader: 0 reviews	Eww. That doesn't look good. Anti-freeze? __________________ Current: '12 VW CC Sport 6MT \| '10 Jetta TDI \| '08 350Z Vert \| '95 S14 \| '85 325e BUY MY SCT X3 UNLOCKED USED TWICE

March 29th, 2011, 10:00 AM	#7
Tang Stang Hardcore Enthusiast 2004 Mustang GT Join Date: Sep 2010 Location: Imperial, MO Posts: 1,961 iTrader: 2 reviews	Washer fluid, maybe? If you're really curious, try dripping various fluids on the filter and see what they look like once dried on there. __________________ Rod @ AzzKicker Cars 2004 Ford Mustang GT-The Driver-BBK CAI, PP TB & Inlet, Steeda UD's, SLP LM1, & 3.73's. 1990 Mercury Cougar XR7-The Meth Addict-5.0L DOHC Stroker w/2.1L KB SC. 1995 Ford F150-Mud Toy-5.0L, 4x4, 33's, & Warn 8274 Winch

March 29th, 2011, 10:03 AM	#8
Alexander III Absens haeres non erit '11 Performance Package 4.61@356.68 Join Date: Dec 2007 Location: Atlanta Posts: 2,817 iTrader: 0 reviews	I'd keep an eye out. Check all of your hoses and for any vacuum leaks or cracked plastic. __________________ Current: '12 VW CC Sport 6MT \| '10 Jetta TDI \| '08 350Z Vert \| '95 S14 \| '85 325e BUY MY SCT X3 UNLOCKED USED TWICE

March 29th, 2011, 09:34 AM	#3
Lumoon Regular 2001 Mustang V6 Its a V6 Join Date: Mar 2011 Location: Fairfield, Ohio Posts: 460 iTrader: 0 reviews	is it a stock air filter? How dark was the green? Which side if you remember were the stains on?

March 29th, 2011, 09:46 AM	#4
iammclovin804 Regular 2004 Mustang GT Join Date: Mar 2010 Location: Kaneohe Bay, HI Posts: 342 iTrader: 0 reviews	This is the side with the stains. Dont know if it helps too much.

March 29th, 2011, 09:58 AM	#6
iammclovin804 Regular 2004 Mustang GT Join Date: Mar 2010 Location: Kaneohe Bay, HI Posts: 342 iTrader: 0 reviews	I was thinking antifreeze but i have no idea how any would have gotten in there.

March 29th, 2011, 02:19 PM	#9
wolfeman04 Regular 2004 V6 Mustang Join Date: Jan 2010 Location: Florida Posts: 411 iTrader: 2 reviews	it almost looks like that colored foam stuff that car washes use. __________________ -Fab'd Dual Hpipe Flowmaster 40's -K&N "FIPK" Air Intake Buy my new gears and tlok

March 29th, 2011, 03:11 PM	#10
Lumoon Regular 2001 Mustang V6 Its a V6 Join Date: Mar 2011 Location: Fairfield, Ohio Posts: 460 iTrader: 0 reviews	The red looks like tranny fluid, which I have no idea how it got there since the transmission dipstick is on the complete other side of the engine bay. The green looks like Coolant maybe he has a bad hose on the radiator and when it heats up it leaks and sprays like old faithful. Are their stains on the underside of your hood? Is the coolant return hose in good shape, no cracks, no holes, good tight fit on the hose clamps? Check your transmission fluid level just to be safe. Did you replace the filter? Does the new filter have the same stains? The only other option I can think of is there was some spray off the road when the car was being driven.

March 29th, 2011, 05:49 PM	#12
iammclovin804 Regular 2004 Mustang GT Join Date: Mar 2010 Location: Kaneohe Bay, HI Posts: 342 iTrader: 0 reviews	All my hoses are perfectly fine. Im thinking what wolfeman said could be it. The new filter I put in there doesn't have any stains on it. My grandpa had it and he might have taken it to an automatic car wash even though he knows I would never do that. All my fluid levels are fine so car wash stuff sounds the most plausible at this point. Thanks for all the help though guys.

March 29th, 2011, 06:54 PM	#13
Alexander III Absens haeres non erit '11 Performance Package 4.61@356.68 Join Date: Dec 2007 Location: Atlanta Posts: 2,817 iTrader: 0 reviews	Crazy stuff lol... __________________ Current: '12 VW CC Sport 6MT \| '10 Jetta TDI \| '08 350Z Vert \| '95 S14 \| '85 325e BUY MY SCT X3 UNLOCKED USED TWICE

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