Help! It's hot in the car - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 07-13-2007, 02:03 PM   #21
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Quote:
Originally Posted by Bondfire
Quote:
Originally Posted by popatim
Recir door opens & closes air from the outside. I don't think it would cause air that was much hotter than outside air into the car. I'd really take another look at the airmix door & actuator, When the air is comming in hot adjust the heat to full hot and see if the air gets even hotter. Also, can you change where this hot air is getting blown to (ie defrosters, vents, floor) ?
checked air mix door again, working just fine, air is much hotter when set to 90 but still kinda warm when set to 60. recalibated the door/actuator according to instructions found in the forum. could the door be obstructed and not closing all the way? yes i can control where the air is going since i fixed my vacuum problem at the programmer a while back. the recirc door does not seem to be working but it'* not the programmer the vacuum turn on and off at the programmer, the door just isn't moving. does anyone know where that door is so that i can check it?
This is the group of actuators on the left side of the center pillar of the AC unit. Vacuum actualtor #1 is the recirculate door.

http://i86.photobucket.com/albums/k1...l97/vacuum.jpg

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Old 07-13-2007, 09:21 PM   #22
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thanks for the pic imidazol, that'* just what i needed. found the actuator no problem. watched the door move (very, very slow and stopped about half way). replaced the vac hose (cut and splice to keep the stock end). didn't help much so i pushed that little piece of alumimun out of the end now it works perfect. thanks again.

still have heat issues but i noticed that when laying on the floor with the hush panels out and the engine running, i could just feel heat all over the floor, my head got pretty hot. it wasn't coming out of the vents, could it just be coming thru the firewall? i thought that'* what the firewall was for. any knowledge on this?

oh, and yes i know the little piece i push out of the hose is supposed to be there to slow things down, but i just don't understand why
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Old 07-13-2007, 11:22 PM   #23
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Quote:
Originally Posted by Bondfire
thanks for the pic imidazol, that'* just what i needed. found the actuator no problem. watched the door move (very, very slow and stopped about half way). replaced the vac hose (cut and splice to keep the stock end). didn't help much so i pushed that little piece of alumimun out of the end now it works perfect. thanks again.

still have heat issues but i noticed that when laying on the floor with the hush panels out and the engine running, i could just feel heat all over the floor, my head got pretty hot. it wasn't coming out of the vents, could it just be coming thru the firewall? i thought that'* what the firewall was for. any knowledge on this?

oh, and yes i know the little piece i push out of the hose is supposed to be there to slow things down, but i just don't understand why
Could it be coming around the rectangular core of the AC box? In looking at the service manual I figured out they install the core box from the motor side and then add on the various pieces and parts inside. I wondered how they seal up the box. Check around the firewall again for leaks.
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Old 07-16-2007, 11:40 AM   #24
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Quote:
Originally Posted by imidazol
Quote:
Originally Posted by Bondfire
thanks for the pic imidazol, that'* just what i needed. found the actuator no problem. watched the door move (very, very slow and stopped about half way). replaced the vac hose (cut and splice to keep the stock end). didn't help much so i pushed that little piece of alumimun out of the end now it works perfect. thanks again.

still have heat issues but i noticed that when laying on the floor with the hush panels out and the engine running, i could just feel heat all over the floor, my head got pretty hot. it wasn't coming out of the vents, could it just be coming thru the firewall? i thought that'* what the firewall was for. any knowledge on this?

oh, and yes i know the little piece i push out of the hose is supposed to be there to slow things down, but i just don't understand why
Could it be coming around the rectangular core of the AC box? In looking at the service manual I figured out they install the core box from the motor side and then add on the various pieces and parts inside. I wondered how they seal up the box. Check around the firewall again for leaks.
not real sure where the AC box is. i know where the box for the heater core is, anywhere close to that? I'm about done looking for what'* wrong and I think i'm just going cover the entire fire wall with some of that insulating bubble wrap and hope it don't melt.
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Old 07-31-2007, 06:33 PM   #25
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OK, I think i know what'* happening, but i don't know why. I'll try to explain without sounding like an idiot so bare with me.

In the morning, everything is cool, no hot air at all.
After the car warms up, the heat starts, it is coming through the vents because the air mix door open to hot all by itself, temp still set on 60.
If i turn the car off and back on while it'* still warm, the actuator resets like usual (all hot then to all cold) then move to wide open heat regardless the temp setting.
So in a nutshell, the airmix door will not close to cold after the car warms up. i'm so confused.

also the boost gauge pegs to +10 after the car warms up and won't work again until the car cools completely down.

Do i have some electrical problems??? Please help.
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