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06-15-2006, 11:54 PM
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Re: Is your AC not cooling correctly? Technical bulletin:
Do you know if it's visible from outside, that it's in backwards. If so, can you take a pic of yours for comparison.
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06-16-2006, 03:06 AM
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Hummer Guru
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Location: Eastern Washington
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Re: Is your AC not cooling correctly? Technical bulletin:
Quote:
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Originally Posted by PARAGON
Do you know if it's visible from outside, that it's in backwards. If so, can you take a pic of yours for comparison.
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translation: Can you show me a real pic of where to look for the @$%@ thing!?! 
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'03 H2
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06-16-2006, 11:29 AM
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Hummer Guru
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Re: Is your AC not cooling correctly? Technical bulletin:
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Originally Posted by dochummer
translation: Can you show me a real pic of where to look for the @$%@ thing!?! |
Thanks Doc,
I was starting to think it was me 
Mark |
06-16-2006, 01:00 PM
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Banned
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Re: Is your AC not cooling correctly? Technical bulletin:
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Originally Posted by OrangeCrush
Thanks Doc,
I was starting to think it was me
Mark |
Actually, no. I'm serious. The bulletin says to inspect to determine if it is in backwards. There's no arrow, so I have no idea if it's in backwards or not.
If there is a manner in which one might determine it's orientation from the outside without breaking that nut, it would be nice to have a picture of someone's whom we know is installed correctly to be used for comparison.
Ree, can you take a pic of yours? |
06-16-2006, 01:22 PM
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Hummer Authority
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Join Date: Apr 2005
Location: Ouside MN's 5th Congressional District, MN
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Re: Is your AC not cooling correctly? Technical bulletin:
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Originally Posted by PARAGON
Actually, no. I'm serious. The bulletin says to inspect to determine if it is in backwards. There's no arrow, so I have no idea if it's in backwards or not.
If there is a manner in which one might determine it's orientation from the outside without breaking that nut, it would be nice to have a picture of someone's whom we know is installed correctly to be used for comparison.
Ree, can you take a pic of yours?
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Sure.
I think I got the right parts in these shots. Funny that the bend and ports don't quite match the diagram from the manuals.
It doesn't appear that there's a simple visual indicator. Must be the prolonged hissing after shutoff is the key indicator to go to the trouble of evacuating the system to do the check.
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'03 pewter base H2
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06-16-2006, 02:02 PM
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Banned
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Re: Is your AC not cooling correctly? Technical bulletin:
Thanks,
I figured as much. I was hoping there was something else that would be more indicative of it being in backwards. I couldn't tell that there was going to be anything on mine, and thought maybe I did have the expansion tube at all.
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06-16-2006, 05:05 PM
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Re: Is your AC not cooling correctly? Technical bulletin:
So, really, there's no way to tell?
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'03 H2
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06-16-2006, 07:05 PM
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Hummer Messiah
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Join Date: Apr 2003
Location: Virginia Beach
Posts: 37,474
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Re: Is your AC not cooling correctly? Technical bulletin:
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Originally Posted by H2Finally
My problem is the opposite. Never had a problem with AC, then while at the dealer for some other issue, they turned the tube around because of the bulletin, and have had non-stop issue of AC not cooling enough since (this was last summer).
They've double-checked the tube, recharged the AC, increased the pressure, decreased the pressure, triple-checked the tube -- but they refused to put it back backwards because of the damn bulletin. Then we hit cool weather and I let the issue go.
HOPING it doesn't come back this summer...
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Maybe they read the instructions backwards. 
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"My reading of history convinces me that most bad government results from too much government."---Thomas Jefferson
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06-16-2006, 07:47 PM
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Re: Is your AC not cooling correctly? Technical bulletin:
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Originally Posted by ree
Um, it's a snowflake with a slash through it, meaning turn off AC when you select it.
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Um, no it's not. It's a snowflake. There is no slash. I just checked. I have a late 03 model. Did they change it later on?
Stacy
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2003 yellow Lux, 12" Bulletproof lift, 42" Pitbull Rockers, 20" Ultra Predators, Corsa sport exhaust, painted interior
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06-16-2006, 07:54 PM
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Hummer Authority
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Re: Is your AC not cooling correctly? Technical bulletin:
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Originally Posted by devilsfan
Um, no it's not. It's a snowflake. There is no slash. I just checked. I have a late 03 model. Did they change it later on?
Stacy
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You're right about the label on the button. But when you select it (i.e. it lights up), the display shows a snowflake with a slash through it. Definitely a usability flaw, but yours is functioning "backward" like everyone elses.
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'03 pewter base H2
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06-16-2006, 09:33 PM
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Hummer Professional
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Join Date: Feb 2003
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Re: Is your AC not cooling correctly? Technical bulletin:
I have an '03 too and if the snowflake is showing on the display, the AC is off and just blowing air. When the air is on and freezing me out there is no snowflake showing.
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06-16-2006, 09:42 PM
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Hummer Authority
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Re: Is your AC not cooling correctly? Technical bulletin:
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Originally Posted by H2 Bill
I have an '03 too and if the snowflake is showing on the display, the AC is off and just blowing air. When the air is on and freezing me out there is no snowflake showing.
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All I was saying is that when the AC is off, the display doesn't show a snowflake; it shows a snowflake with a slash through it:
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'03 pewter base H2
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06-16-2006, 10:03 PM
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Hummer Professional
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Re: Is your AC not cooling correctly? Technical bulletin:
I stand corrected...(forgot about the slash). There is still no snowflake (with slash through it) when it is on.
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06-17-2006, 04:06 AM
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Hummer Authority
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Re: Is your AC not cooling correctly? Technical bulletin:
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Originally Posted by PhilD
Mine used to work like that, but when I had it broken into they bust the a/c controls, so it was replaced. Now it shows a snowflake when the a/c on, and nothing when it is off.
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Was this interface fixed/improved in later model years?
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'03 pewter base H2
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06-17-2006, 04:38 AM
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Hummer Guru
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Re: Is your AC not cooling correctly? Technical bulletin:
Quote:
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Originally Posted by ree
Was this interface fixed/improved in later model years?
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Must be because mine works like Rees. When it's on, I get nothing. When it's off, I get a snowflake with a slash. ('03)
Mark |
06-17-2006, 05:07 AM
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Hummer Expert
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Re: Is your AC not cooling correctly? Technical bulletin:
I have an '05. Snowflake when AC on; nothing when it's off.
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06-18-2006, 07:00 PM
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Hummer Authority
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Re: Is your AC not cooling correctly? Technical bulletin:
Must be a GM thing. The Slade has the same as the later model H2s - snowflake shown when the AC is on.
Stacy
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2003 yellow Lux, 12" Bulletproof lift, 42" Pitbull Rockers, 20" Ultra Predators, Corsa sport exhaust, painted interior
2004 Cadillac Escalade, white diamond, dual tip chrome exhaust, 20" chrome 9-spoke rims, altezzas - TOTALLED!!!! Replaced with a nondescript 2009 Chevy Tahoe
1970 VW Karmann Ghia, black with a flame job and too many mods to list
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06-18-2006, 09:01 PM
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Hummer Guru
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Location: I CAN BARELY SEE THE ROAD...
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Re: Is your AC not cooling correctly? Technical bulletin:
Quote:
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Originally Posted by OrangeCrush
Must be because mine works like Rees. When it's on, I get nothing. When it's off, I get a snowflake with a slash. ('03)
Mark
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X3...mines the same way |
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