'98 SSEI Heater/AC problem - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 01-24-2009, 10:34 PM   #1
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Default '98 SSEI Heater/AC problem

I just found this site and am really happy to be here. I've been going to Grand Prix sites for help on engine things but this site looks great. My '98 SSEI has automatic temperature control and the problem is it'* very slow switching to the different outlets, i.e. dash to defrost or to floor or mix. It seems to always be on defrost when I start it with varying times to switch modes. Could this be a vacuum problem? I hope it'* not the expensive control. Will dash need to be taken apart? What'* involved? Thanks for the help.
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Old 01-24-2009, 11:02 PM   #2
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I'm no expert in this area, Toddster is much better. But I would start with your air mix actuator moving? Are you having problems in auto mode? Or is it also giving you trouble in manual.
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Old 01-25-2009, 12:28 AM   #3
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It'* both auto and manual. I found this article.....maybe this?

A/C Service Tech Tip: How to redirect the cooled air in late model GM cars
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Old 01-25-2009, 08:11 AM   #4
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Originally Posted by copo69 View Post
It'* both auto and manual. I found this article.....maybe this?

A/C Service Tech Tip: How to redirect the cooled air in late model GM cars
This is most likely your problem.

Good find on the above link
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Old 01-25-2009, 08:42 AM   #5
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Should put this in Tech. help section
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Old 01-25-2009, 08:44 AM   #6
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I thought it was there?.........
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Old 01-25-2009, 10:18 AM   #7
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I thought you were working on a write up like that Todd?
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Old 01-25-2009, 01:08 PM   #8
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I thought you were working on a write up like that Todd?
i think i was going to then the whole family member dying threw me for a loop.
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Old 01-25-2009, 01:11 PM   #9
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Take care of the family Todd. I'll see what I can do.
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Old 01-25-2009, 04:59 PM   #10
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Sorry to hear that Todd, family first.
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