heater blowing cold air - Page 2 - 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 10-27-2003, 11:01 AM   #11
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I got the part and tried to work on this yesterday. I disable the air bags and took apart the glove box. However, I just could not get to the part itself. It is hidden right behind the air bag frame.

I took Silver'* advice and cut the air duct in half and moved it aside, but since the part is above it, it didn't help. I think you have take the air bag off so that you can reach down from the top and work on it for a 1993. Taking the dashboard apart looked like a very hard job (and I am kinda reluctant to remove the air bag).

Has anyone else changed this part before?
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Old 10-27-2003, 09:10 PM   #12
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You are closer to the part than you might think. If you look at the air bag frame there are 2 holes in it about the size of a nickle. Shine a flashlight through that area and you can see the actuator. If I remember correctly, I had to disconnect the programer from below and then reach up and unplug it from the actuator. There is a large plastic piece that covers the heater core and I was able to remove a couple of screws from it and move it down to reveal the actuator that sits on top. Here are some pics that a member in Israel sent to me he does not have an air bag or has removed it. The plastic cover is removed from the heater core and you can see the lever that clips on to the actuator and moves the temp door. Yo u will have to cut and paste these links. Hope this helps http://www.geocities.com/uri14979/100_0647.JPG
http://www.geocities.com/uri14979/100_0645.JPG
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Old 10-27-2003, 10:17 PM   #13
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I actually did see the part. I even moved the lever by hand. I did unbolt the programmer and was trying to bring it down, but, for some reason, it didn't seem that like the actuator was going to come down with it (perhaps I was removing something else).

For the time being, I have put it back together. My heat is working, but I have had to set the heat to low temp setting before turning off the climate control. Then, I turn it on and move it up to 24 or 25 Celcius. I am going to monitor it some more and see if I can get away with this for now.

Silver, I do appreciate your help very much. It looks like a very tough job, though.
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