2011 Traverse with hissing behind the dash and front or rear AC blow hot - Chevy Traverse Forum: Chevrolet Traverse Forum
 
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post #1 of 8 (permalink) Old 03-15-2017, 01:10 PM Thread Starter
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2011 Traverse with hissing behind the dash and front or rear AC blow hot

I have a 2011 LT Traverse with just over 62,000 miles on it and it started hissing and ac quit blowing as cold about the end of last summer. I tried charging the system with some freon from the local parts store. Didn't seem to help any with either problemy even when I felt like I was over charging according to the makeshift gauge on the can. Also I have a whine come from my steering column. That's been happening since I bought it. The salesman said the it was cause they used so much armor all on the dash and steering column that it's just the rubber rubbing on the steering shaft.
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post #2 of 8 (permalink) Old 03-15-2017, 01:58 PM
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Re: 2011 Traverse with hissing behind the dash and front or rear AC blow hot

Lots of threads here regarding failed vent damper actuators (here's one: http://www.traverseforum.com/index.php?topic=3042.0), although the hissing sounds like you have an evaporator leak.

See this tread on steering wheel zipper sound:
http://www.traverseforum.com/index.php?topic=687.0

2011 2LT FWD replaced by 2017 2LT AWD
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post #3 of 8 (permalink) Old 03-15-2017, 02:00 PM
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Re: 2011 Traverse with hissing behind the dash and front or rear AC blow hot

Quote:
Originally Posted by Curtis81
Also I have a whine come from my steering column. That's been happening since I bought it. The salesman said the it was cause they used so much armor all on the dash and steering column that it's just the rubber rubbing on the steering shaft.




thats a new one!
made me laugh.



2010 FWD LT1-Gold Mist Metallic- seats 8.
Build Date- July 31, 2009-2nd day of Spring Hill 2010 production.
2013 Equinox 3.6L - 60,000
2010 Traverse 3.6L- 127,000
2003 Trailblazer 4.2L- 180,000
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post #4 of 8 (permalink) Old 03-15-2017, 02:42 PM Thread Starter
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Re: 2011 Traverse with hissing behind the dash and front or rear AC blow hot

(greentraverse) I have read on here that alot of people are having problems with the evaporator leaking at the connection on both front and rear evapoators. I don't have any issues with the dampener moving. It's goes through all modes just fine.

(rbarrios) Glad I could make someone happy today.
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post #5 of 8 (permalink) Old 03-15-2017, 03:05 PM
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Re: 2011 Traverse with hissing behind the dash and front or rear AC blow hot

your whine more like a zipper sound?


2010 FWD LT1-Gold Mist Metallic- seats 8.
Build Date- July 31, 2009-2nd day of Spring Hill 2010 production.
2013 Equinox 3.6L - 60,000
2010 Traverse 3.6L- 127,000
2003 Trailblazer 4.2L- 180,000
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post #6 of 8 (permalink) Old 03-15-2017, 04:03 PM Thread Starter
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Re: 2011 Traverse with hissing behind the dash and front or rear AC blow hot

No it sounds like the PS pump is trying to go out
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post #7 of 8 (permalink) Old 03-15-2017, 04:33 PM
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Re: 2011 Traverse with hissing behind the dash and front or rear AC blow hot

you can try it in park or neutral.
while stopped- gently turn the wheel-- and listen for that wine.

then repeat- while gently raising the rpm's.
the sound may change a bit.

2010 FWD LT1-Gold Mist Metallic- seats 8.
Build Date- July 31, 2009-2nd day of Spring Hill 2010 production.
2013 Equinox 3.6L - 60,000
2010 Traverse 3.6L- 127,000
2003 Trailblazer 4.2L- 180,000
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post #8 of 8 (permalink) Old 03-15-2017, 04:35 PM Thread Starter
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Re: 2011 Traverse with hissing behind the dash and front or rear AC blow hot

Yeah it doesn't change at all no matter what RPM. It does it sitting still or while driving and turning a corner
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