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Old 06-28-2009, 02:54 PM   #1
b0red@werk
Scooby Newbie
 
Member#: 24773
Join Date: Sep 2002
Location: San Antonio, TX
Vehicle:
2005 WRX STI
OBP

Default AC not blowing cold air

I tried searching but couldn't find exact symtoms. So the other day, AC was just working fine. It's been over 100 degrees for the past 2 weeks. Yesterday, I didn't drive the car at all. Then today, the ac kicks on but no cold air. One thing I noticed is the hissing sound under the dash continues to hiss. Normally, I only hear the hissing sound in the beginning then fades away. What should I do to start troubleshooting? I just had a 60K maint. done by subaru and this happens?
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Old 06-28-2009, 06:09 PM   #2
2.5GTLegacy
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Member#: 111219
Join Date: Mar 2006
Chapter/Region: MAIC
Location: Roanoke, VA
Vehicle:
2005 SWP LGT

Default

AC is a complicated system.

There isn't much you can do by yourself, without the tools and knowledge. I suggest taking back to Subaru and let them look at it. It's either low on refrigerant or you have a leak somewhere.
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Old 06-30-2009, 01:18 AM   #3
martymcfly
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Member#: 152414
Join Date: Jun 2007
Chapter/Region: International
Location: Taiwan
Vehicle:
08 WRX-S 230 (EDM)
DGM

Default

It sounds as if your evaporator is on the fritz....My '08 WRX is in the shop as we speak getting a new evaporator installed under warranty. I had the same issue as you...AC was working fine until one day it stopped blowing cold air and a hissing sound came out from under the dashboard on the passenger side....a quick pressure test at the dealer revealed that there is a leak in the evaporator....The whole dashboard needs to be removed in order to access this part....

Good luck
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Old 06-30-2009, 09:13 AM   #4
b0red@werk
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Member#: 24773
Join Date: Sep 2002
Location: San Antonio, TX
Vehicle:
2005 WRX STI
OBP

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how much did they say it would cost?
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Old 06-30-2009, 01:55 PM   #5
yarrgh
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Member#: 80465
Join Date: Jan 2005
Chapter/Region: RMIC
Location: Aurora, CO
Vehicle:
2001 2.5RS
Black Diamond Pearl

Default

since it was UNDER WARRANTY, I'm assuming it cost 0.
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Old 07-01-2009, 11:25 AM   #6
wagonovsky
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Member#: 98414
Join Date: Oct 2005
Chapter/Region: MAIC
Location: Richmond
Vehicle:
1996 OBS
Green

Default

+1 for the evap comment.

Last edited by wagonovsky; 07-01-2009 at 12:36 PM.
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Old 07-02-2009, 05:23 PM   #7
bboyjunglist
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Member#: 178855
Join Date: Apr 2008
Location: G-bert AZ
Vehicle:
2004 WRXagon
Dat Java Black P SOn!!!

Default

yup this happened to me yesterday. was working fine, next day turn the car on and i get a hissing noise. so evap should be 1st thing to chk? my car is out of warranty so does anyone know the price range to fix this? i live in AZ and temp is 106-110 avg right now AND thats not the highest it will get this summer!!! ****!!!!
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