Too cold w/ a/c, can't adjust properly. Can't adjust heat properly either. Told by dealer that it's a " Header", the center control, for temp, that's bad at $600-700 to replace w/ min. labor. Would like to replace myself with used parts. Any info where to find and what it's called? Located in SE PA
If you're willing and able, you can fix it yourself. you have to pop off the big plastic frame. then 6 bolts to remove the unit. then unplug. then four screws to remove the radio, you repair the unit by re-soldering the ribbon cable or removing and replacing it with single wires. the ribbon cable is between the knob's little circuit board and the main circuit board. that's it.
or you can find more detailed instructions at tundrasolutions.com
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Re: Climate control not working properly
Sorry about the delay, the site did not update your response to me. Send me your e-mail addresses at firstname.lastname@example.org; I will send you detailed instructions on how to rectify your situations, biggunn, martyn and rees.
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If you have owners manual check that your climate control settings are as you expect them to be, if that makes sense. Some on Fixya do not realise they gave climate control , they think they have normal A/C and try to correct chimerical problems. Please check and repost
Dual climate control on these is not a manual valve adjuster. It is done electronicly with a electric motor on a valve instead of ran by a maual cable. Find this and check the plug for a 12 volt signal. If you are getting a signal replace the valve, if not it could be a blown fuse, cut wire, or a bad climate contol switch.
I have a 2000 pontiac grand prix with a digital climate control system.
The heat quit working, it doesn't blow out any heat. Now that it is warm
outside the air stopped blowing out any air. The digital temperature on
the climate control is not correct. When it states that it is below 30
degrees on the ext and it is warm outside the air wont be cold. Once it
starts going above 30 degrees the air gets colder. Today the blower stop
working all together. Was told it maybe the climate control unit was
bad. You can hear the door opening/shutting when you switch the temp
from cold to hot. But there was no heat blowing out whatsoever in the
winter time. Could you please give me your opinion on whether or not it
is the climate control unit or something else?
If you have duel climate controll and by this side you mean the drivers side then will tell you that I ended up replacing the controll unit and fixed the problem,When mine would go from cold to hot I would turn off the key then it would go back to normal until I hit a bump or adjusted the heat slider. there are two one on each side of the trans hump.I just went to dealer and asked for a printout of the parts break down.It is way up under there from what I can remember.Well hope this helped a little any way.
I have a similar problem except mine started today changeing from a/c to hot air. I had the system checked at the dealer no leaks etc...I was just told that it could possibly be the climate control/ control switches in the in the dash. Yo could have teh same issue.
This may be one or two different problems. One could be the climate control unit itself. Surprisingly the problem with the air not changing the source will likely be remedied by a reprogramming by a Volvo dealer. Defrost is the delfault outlet if there is a problem with that system. As for the dial not having detents and the cold instead of hot air in the pass side, that could be programming, a disconnect with the heater door for the passenger side or it could be the control unit. 98 is a difficult year to diagnose and the dealer is likely the only one who can properly diagnose this car. The download at the dealer is an inexpensive fix. If there is a mechanical problem within the air system that could prove more costly. I'm not sure how much the control unit for the climate control system, but there are usually quite a few on ebay. Good luck and I would suggest visiting the dealer first for this one as it is the least expensive fix and could very well be the only problem.