'97 S-10 Air Conditioning Vent Problem - Blazer Forum - Chevy Blazer Forums


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  #1  
Old 06-23-2006, 12:02 AM
 
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myboo11009 is an unknown quantity at this point
Default '97 S-10 Air Conditioning Vent Problem

Hey Guys, I have been reading some of the forums regarding the Air Cionditioning. When I turn my Air on it only comes out of the defroster vent. Some people have said that this might be due to a vacuum leak. How do i go about finding this. is there a general area under the hood i should be looking at? Does anyone have a vacuum diagram for a 97 Blazer? Thanks in advance.
  #2  
Old 06-23-2006, 02:11 AM
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Default RE: '97 S-10 Air Conditioning Vent Problem


Quote:
ORIGINAL: myboo11009

Hey Guys, I have been reading some of the forums regarding the Air Cionditioning. When I turn my Air on it only comes out of the defroster vent. Some people have said that this might be due to a vacuum leak. How do i go about finding this. is there a general area under the hood i should be looking at? Does anyone have a vacuum diagram for a 97 Blazer? Thanks in advance.
I don't have a manual for a '97 so this is just a guess. Also I don't know if you have auto or manual air. I think you may have a vacuum leak because sending air to the defrost is a safety feature. you ,ay have a vacuum solenoid at the bottom rear area of the heater box. I believe the vacuum hose (that should have vacuum) is yellow. As I said, this is just a guess.
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  #3  
Old 08-21-2006, 09:16 PM
 
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Default RE: '97 S-10 Air Conditioning Vent Problem

under the hood there's a ball that looks like a toilet bowl float (Driverside). If the hose is not connected there I believe you will have the problem you've described.
  #4  
Old 08-22-2006, 04:03 AM
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Default RE: '97 S-10 Air Conditioning Vent Problem

There is a post of a vacuum diagram for a 96 here:

http://www.blazerforum.com/m_30099/tm.htm

I am having the same problem. I just received the
GM service manuals and am still working on mine.
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  #5  
Old 08-22-2006, 04:21 PM
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Default RE: '97 S-10 Air Conditioning Vent Problem

The vacuum storage tank on the 97 is actually mounted ON THE HOOD rear driver's side corner. It is quite common for the hose to come off of the tank because it moves whenever the hood is opened. Check this first and let us know if you need more help. The supply line is a BLACK vacuum hose that goes into the engine harness and through the firewall.
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1996, 97, air, aircondition, automobile, blazer, chevy, conditioner, conditionervacuumvents, hose, problem, problems, s10, vacuum, vent, venting


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