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1992 Trans Am heater not working right.

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Old Oct 10, 2012 | 12:01 AM
  #1  
19GTA92's Avatar
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From: Ottawa, KS
Car: 1992 Pontiac Trans Am GTA
Engine: 305
Transmission: 5 speed
Axle/Gears: 3.42
1992 Trans Am heater not working right.

Hello everybody! Recently the weather has been getting cold here in Kansas, and I went to turn my heater on and the hot air only blows out the bottom vents. Not sure why since air blows out the top vents when its on 'vent' or on air conditioning. Any help would be greatly appreciated. Thanks!
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Old Oct 12, 2012 | 04:03 PM
  #2  
Faded's Avatar
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Joined: May 2003
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From: California
Car: '91 Firebird
Re: 1992 Trans Am heater not working right.

Sounds to me like a problem with the vacuum selection switch. Try taking the controls out and see if you see anything wrong, or just replace it.
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Old Nov 28, 2012 | 04:47 PM
  #3  
A1cRandy's Avatar
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Joined: Oct 2011
Posts: 41
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From: Spokane, Wa
Car: 1989 Firebird Formula WS6
Engine: LSX 347
Transmission: T56
Axle/Gears: 3.45 b&w 9 bolt
Re: 1992 Trans Am heater not working right.

I'm 75 percent sure your heater valve isn't working sir. I've seen it a few times.
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Old Nov 28, 2012 | 04:53 PM
  #4  
A1cRandy's Avatar
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Joined: Oct 2011
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From: Spokane, Wa
Car: 1989 Firebird Formula WS6
Engine: LSX 347
Transmission: T56
Axle/Gears: 3.45 b&w 9 bolt
Re: 1992 Trans Am heater not working right.

I noticed your from kansas, I got some family in Wamego and Council Grove. What's more is I noticed you have a 92 Gta 5 speed. You got any pics of that bad boy?
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Old Nov 29, 2012 | 08:52 AM
  #5  
19GTA92's Avatar
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Joined: Apr 2012
Posts: 61
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From: Ottawa, KS
Car: 1992 Pontiac Trans Am GTA
Engine: 305
Transmission: 5 speed
Axle/Gears: 3.42
Re: 1992 Trans Am heater not working right.

How do you fix the heater valve? And right now I'm in college at Hutchinson but originally from Ottawa.
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Old Nov 29, 2012 | 08:59 AM
  #6  
19GTA92's Avatar
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Joined: Apr 2012
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From: Ottawa, KS
Car: 1992 Pontiac Trans Am GTA
Engine: 305
Transmission: 5 speed
Axle/Gears: 3.42
Re: 1992 Trans Am heater not working right.

I took that picture after I painted the wheels. Its definitely not a show car, I bought if for $1000 and the guy thought it needed a fuel pump. After I got it home I replaced the fuel pump and found out he tried it before and cut a hole in the trunk to do it. So it wasn't the fuel pump, so then I started doing the shotgun affect on parts. Being 18 and wanting to be self-sufficient, I didn't seek any help from anyone except the guy at the parts store. It sat in the garage for two months until my mom called my uncle over and he found out that one of the fuel injectors was shorting out causing the other ones too. But now it runs like a striped *** ape! haha
Attached Thumbnails 1992 Trans Am heater not working right.-gta-002.jpg  
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Old Nov 29, 2012 | 10:54 AM
  #7  
stealtht/a's Avatar
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Joined: Aug 2008
Posts: 1,485
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From: Short Summer, VT
Car: 1985 Trans Am T-Top
Engine: 305 TPI
Transmission: T-5 5 Speed
Axle/Gears: 3.42 posi 1LE 10 bolt
Re: 1992 Trans Am heater not working right.

Originally Posted by 19GTA92
Hello everybody! Recently the weather has been getting cold here in Kansas, and I went to turn my heater on and the hot air only blows out the bottom vents. Not sure why since air blows out the top vents when its on 'vent' or on air conditioning. Any help would be greatly appreciated. Thanks!
Unless I misunderstand, I don't hear a problem, sounds normal.
Heat selected should only come out the bottom. It is hot right?
If you want heat top and bottom it should do that if you select vent and then hot on the blend lever.
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