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Old Mar 1, 2008 | 03:20 PM
  #1  
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From: Boosted in Manhattan & Round Rock TX. President of the Non Club Club of Kansas and Round Rock , Not the flat part.
Default Ac Help......

97 38k miles MN6 Dule AC


It was a nice day in Kansas so I put the AC on. No cold AC came out. The AC light flashed and then goes off. I tried it 5-6 times same thing. Ran the codes and 0 HVAC codes. No C codes at all.

I added some long tube headers a wile back and thay were close the the AC line. I put somw heat wrap on it. I did not try the AC aftor the headder install till now.


What do you think is wrong???

Thanks,

Paul G.
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Old Mar 1, 2008 | 03:24 PM
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What was the temp outside?
The AC light will blink if its below a certain temp outside
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Old Mar 1, 2008 | 04:00 PM
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From: Boosted in Manhattan & Round Rock TX. President of the Non Club Club of Kansas and Round Rock , Not the flat part.
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Originally Posted by J.P.M.
What was the temp outside?
The AC light will blink if its below a certain temp outside


It was around 65* So you think it was to cold outside?
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Old Mar 1, 2008 | 04:03 PM
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so check your a/c line if you burned through it.

Then buy a recharge kit at the local auto shop and recharge

If your outside air temp sensor fails it could act as you have reported but based on the header install my thoughts are there first.

Any chance you installed the "ss autochrome" headers?
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Old Mar 1, 2008 | 04:08 PM
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From: Boosted in Manhattan & Round Rock TX. President of the Non Club Club of Kansas and Round Rock , Not the flat part.
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Originally Posted by IBUID40
so check your a/c line if you burned through it.

Then buy a recharge kit at the local auto shop and recharge

If your outside air temp sensor fails it could act as you have reported but based on the header install my thoughts are there first.

Any chance you installed the "ss autochrome" headers?

Thay are the ebay headders...

The AC line looked fine, Still wondering if the outside temp had something to do w/it.

Its 72 now but im at work with out the Vette. I did not look at the outside temp in the car.
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Old Mar 1, 2008 | 04:30 PM
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Make sure your outside temp reading on the display is correct. My sensor went bad last week, displayed 34 even though it was 65 outside. This will keep your A/C from coming on if the readout is 38 or below. No Corvette Tax here as it is used on most late model GMs, sensor was $11 at my local dealer, part# 10248414. About 5 minutes to change it. Hope this helps!

Last edited by c5streak; Mar 1, 2008 at 04:32 PM.
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Old Mar 1, 2008 | 04:53 PM
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From: Boosted in Manhattan & Round Rock TX. President of the Non Club Club of Kansas and Round Rock , Not the flat part.
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Thanks Guys I think im going home early and take a look. Ill post wat i see soon.

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Old Mar 2, 2008 | 12:26 PM
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If you did not re route your ac line

the ebay headers are notorious for burning them up and causing fires


good luck
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Old Mar 2, 2008 | 01:07 PM
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From: Boosted in Manhattan & Round Rock TX. President of the Non Club Club of Kansas and Round Rock , Not the flat part.
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I hope I do not see a fire.



The outside temp is about what it says on the dash.

Im going to take it for a drive today and see if anything changes. I was just in the driveway befor.

Paul G.
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Old Mar 2, 2008 | 01:16 PM
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The A/C should come on with an ambient temp of 72 degrees. Maybe you have a low charge in the system. Someone with gauges should be able to read the low and high side pressures to see if you have enough refrigerant.
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Old Mar 2, 2008 | 02:09 PM
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you may have a leak or it may have lost its pressure (vacum)... checking the gauges and adding some freon hopefully should fix it
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Old Mar 2, 2008 | 10:51 PM
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From: Boosted in Manhattan & Round Rock TX. President of the Non Club Club of Kansas and Round Rock , Not the flat part.
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Originally Posted by blacksedan87
The A/C should come on with an ambient temp of 72 degrees. Maybe you have a low charge in the system. Someone with gauges should be able to read the low and high side pressures to see if you have enough refrigerant.
Originally Posted by RrCoX22
you may have a leak or it may have lost its pressure (vacum)... checking the gauges and adding some freon hopefully should fix it
Im going to put some gages on it and see what happens. Thanks guys.

It was 72 today now its snowing.


Thanks
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