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Old 11-12-2014, 09:18 PM   #1
LastNameBall
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Join Date: Oct 2014
Chapter/Region: Tri-State
Location: NYC
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02 WRX Sedan

Default Strong Antifreeze smell from AC

Hey guys, so I recently had to get my radiator replaced and ever since then my AC has been pumping out this very strong antifreeze. Any ideas on how to get rid of the smell? I was thinking maybe some antifreeze spilled on the cabin air filter but was wondering if you guys might have any other ideas.


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Old 11-14-2014, 02:11 PM   #2
kevin85193
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a hose could be leaking onto the exhaust manifold
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Old 11-14-2014, 02:57 PM   #3
Mulder
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15 WRX/05 GTO

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If there was significant coolant leakage or spillage in the engine compartment from the failure or the repair, the smell can linger for quite some time afterwards. It's a very pervasive odor that tends to stick around.
You can hose down the area (low-pressure spray only, stay away from electricals and intake) to wash away as much as possible, then after it's dried out and driven do a visual inspection to be sure there are no further leaks.
It is possible that the cabin filter got impregnated with it, you can pull the filter and give it the sniff test. If it fails replace it.
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Old 11-14-2014, 10:05 PM   #4
AZP Installs
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As mulder said it's most likely residual that has found it's way into crevices in the engine bay and it may take 200-500 miles of driving to get rid of it.

-Mike Paisan


Maintaining, Modifying and Educating TriState Enthusiasts since 2001.
Like us on Facebook! | E-mail: sales@azpinstalls.com | 725 Fairfield Ave | Kenilworth, NJ 07033 | 908.248.AZP1 (2971) |AIM: AZP Installs
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Old 11-15-2014, 01:17 PM   #5
LastNameBall
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I read in an older thread that members were having the same problem and it ended up being a leaky heating core. I don't want to make any drastic decisions so I'll wait it out for a bit before thinking about that being an option. Thanks again guys


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Old 11-15-2014, 04:12 PM   #6
Mulder
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15 WRX/05 GTO

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Well yes a bad heater core will certainly give you a coolant smell through the vents. However since this is only happening since you had the radiator done it's most likely just residue in the engine compartment that will eventually go away. If you follow my suggestion to wash it down you may be able to get rid of it faster than if you wait for it to dissipate naturally.
Also if the heater core is truly leaking externally you'll get a slimy film on the windshield when using defrost mode.
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Old 11-15-2014, 05:03 PM   #7
LastNameBall
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Breathing a deep sigh of relief cause I don't get any of that slime. I guess I gotta run this car a little and have it all evaporate.


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Old 12-20-2014, 12:16 PM   #8
LastNameBall
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Update: The smell definitely has nothing to do with the work I had done on the radiator, prob a heating core problem like I originally suspected. Any symptoms I could look out for to make sure that's the problem ?


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Old 01-04-2015, 05:15 PM   #9
LastNameBall
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Update: It was a leaky hose. Very anticlimactic ending to say the least.


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