Mixing vent? - 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 11-20-2005, 09:57 PM   #1
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Default Mixing vent?

So my heat blows cold. Sometimes if I turn the temp all the way down and back up, it starts working.
Is it the mixing vent? Can I fix it if I take out my glove box?
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Old 11-20-2005, 10:04 PM   #2
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You can barely reach it, and even then, not really. To GET to it, you must remove the dash.

Or do what I did when it totally fails:

http://www.bonnevilleclub.com/forum/...ic.php?t=41963
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Old 11-20-2005, 10:12 PM   #3
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I once read a thread where a guy cut a 2" x 4" hole in the steel dash structure to change the actuator. Not my recommendation.

I removed the dash to change mine but there has been one or two that were able to change from under the dash. Afterall, the actuator does live on the heater core cover so if you can get that off, you can replace it. The problem is that there'* not a lot of room up there. I scratched the hell out of my arm and hand while swapping the HVAC programmer in the 93. There'* one electrical connector directly from the programmer to the actuator and it'* up there.

If I had to do it again, I'd remove the dash but it is possible to do without.
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Old 11-20-2005, 10:52 PM   #4
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Quote:
Originally Posted by willwren
You can barely reach it, and even then, not really. To GET to it, you must remove the dash.

Or do what I did when it totally fails:

http://www.bonnevilleclub.com/forum/...ic.php?t=41963
I dig that technique and the pictures!!! Do they give awards on this site for ingenuity!!! You have one vote here.
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Old 11-20-2005, 11:30 PM   #5
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I'd say "I hear banjo music," but then I'm the guy that once sawzalled the bottom off the oil pan on my '69 LeMans in -24 degree Ohio weather to change a broken oil pump drive, and then welded the sump back on.

so, excellent!
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Old 11-21-2005, 12:14 AM   #6
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You have to realize that I'm concentrating nearly my full attention on the SSEi right now. The SLE is simply the daily driver while the SSEi is still being worked on. Later on (spring) I'll gut the interior of the SLE and fix the airmix actuator and airbags. Right now, it just has to run.
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Old 11-21-2005, 12:30 AM   #7
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"Right now, it just has to run."

And so it does. Good fix.

As you can see from my post above, I've had a few of those myself.

And don't feel bad. I used my lady'* pantyhose once for an emergency fan belt.
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Old 11-21-2005, 09:18 AM   #8
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wow..this thread went downhill with each Bill'* posts...lol
We'll say necessity is an inventive thing. You'll try darn near anything in a pinch.
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