2002 Saab 9-3 manual climate control not working properly - SaabCentral Forums
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  #1  
Old 1 Week Ago
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Saabjon81 Saabjon81 is offline
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Default 2002 Saab 9-3 manual climate control not working properly

Hi! I have a 2002 9-3 5 door with manual climate control that has been acting funny. Since I bought it, every once in a while the fan speed control would "miss" speeds, as in sometimes levels 2 and 4, etc. would not work without fidgeting with it.

Two nights ago it would not shut off until I switched off the engine, the next day it would not turn on unless I pushed the fan speed switch in pretty hard and it would not stay on. Fuses are good, everything I can think to check looks good, I'm assuming the actual climate control unit needs to be replaced.

How difficult is it to remove the climate control unit? Is this something relatively easy to do? I found a link with a tutorial, but the photos could not be viewed. Not much luck on YouTube either. Thank you in advance for any advice you can offer!

Best,

J. Andrew
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Old 1 Week Ago
steve12955 steve12955 is offline
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Sounds like the MCC housing may be cracked from use and heat. When this happens, the fan speed switch's contacts separate a little. Hard to explain but if you remove the MCC you'll see what I mean. I was able to repair mine with a little epoxy and wire to stiffen the MCC housing. My switch was exhibiting the same symptoms.

You'll have to remove the MCC which pushes out of the dash panel from behind. There are clips on the side or top/bottom that have to be depressed. Remove the center kick panels and you will also see that the temperature control has a coiled stiff wire that runs to the blend door; this wire and a few electrical plugs will keep you from removing the MCC. So, I believe the only way you can access the coiled wire and get to the connections is to remove the seat heater buttons, radio and SID. Having removed the MCC before to fix it as well as to repair a leaking heater core connection, I've managed to push out the MCC from behind and disconnect the heater control wire and unplug all the rest without removing the radio and SID. However, since you've never done it before it's easiest way is to get to it from the top once the radio is out. I'd try to repair the MCC before buying another used one that may exhibit the same problem.
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EdT EdT is offline
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Yes, it sounds like the fan speed switch is malfunctioning. I'm pretty sure the switch is removable from the MCC. You will probably see that the switch housing has cracked.

When popping out the MCC, be careful and don't pry it from the front. It's tempting, but that can separate the black face from the white structure, and then at night there will be a bright ring around the control knobs.

I find that removing the passenger kick panel and the radio gives enough leverage to pop out the MCC. You will have to reinsert the toilet roll holder when reinstalling. I'm not sure that you have to disconnect the temp regulator cable. It's fiddly to adjust, so I would avoid doing that if possible.
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Quote:
Originally Posted by Saabjon81 View Post
Hi! I have a 2002 9-3 5 door with manual climate control that has been acting funny. Since I bought it, every once in a while the fan speed control would "miss" speeds, as in sometimes levels 2 and 4, etc. would not work without fidgeting with it.

Two nights ago it would not shut off until I switched off the engine, the next day it would not turn on unless I pushed the fan speed switch in pretty hard and it would not stay on. Fuses are good, everything I can think to check looks good, I'm assuming the actual climate control unit needs to be replaced.

How difficult is it to remove the climate control unit? Is this something relatively easy to do? I found a link with a tutorial, but the photos could not be viewed. Not much luck on YouTube either. Thank you in advance for any advice you can offer!

Best,

J. Andrew
Quote:
Originally Posted by EdT View Post
Yes, it sounds like the fan speed switch is malfunctioning. I'm pretty sure the switch is removable from the MCC. You will probably see that the switch housing has cracked.

When popping out the MCC, be careful and don't pry it from the front. It's tempting, but that can separate the black face from the white structure, and then at night there will be a bright ring around the control knobs.

I find that removing the passenger kick panel and the radio gives enough leverage to pop out the MCC. You will have to reinsert the toilet roll holder when reinstalling. I'm not sure that you have to disconnect the temp regulator cable. It's fiddly to adjust, so I would avoid doing that if possible.
I'm sorry to sound so inexperienced, this is my 5th Saab in 20 years, I've just always had dealer service. I'm getting better, though! So here's my question, how do I remove the passenger kickplate, glove box, etc.? Will I need a code once I replace the SID?
The last Saab I did anything with was a 1997 900SE and I recall anytime the radio/SID was removed or the battery was disconnected I needed a code to get it working again. I just want to be sure I'm not going to mess anything up. I greatly appreciate all of the help provided on the forum!
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EdT EdT is offline
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Quote:
Originally Posted by Saabjon81 View Post
I'm sorry to sound so inexperienced, this is my 5th Saab in 20 years, I've just always had dealer service. I'm getting better, though! So here's my question, how do I remove the passenger kickplate, glove box, etc.? Will I need a code once I replace the SID?
No, all SID may ask for is to set date. That was a bigger deal with the analogue clock in your 1997. There is no reason to remove the SID anyway.

The radio I guess would need a code if it's disconnected, so you may want to avoid doing that. (I'm not certain, since I don't have this car or radio.)

To remove the passenger console kickplate:
  1. Remove glovebox. It's a bunch of Torx screws around the edge, can be removed with the Torx driver in the toolkit. There is a 10mm hex bolt on the lower right corner under the door weatherstrip which just pulls out. Remember to disconnect the glovebox light (and reconnect when reinstalling). There may be a pushpin holding the back of the glovebox assembly, but I'm not sure and these are mostly broken and missing anyway.
  2. Some obvious screws release the console kickplate. I can think of one for sure, there must be some more. Then the plate slides out towards the front of the car. It has tabs on the rearward edge that fit into the console face, don't break them.
  3. Left side kickplate, if you want to remove, is I think similar except you might have to remove the plastic shield under the dash first. Again, some Torx screws, and possibly (but unlikely) a pushpin. Also the ODB-II connector needs to be unscrewed and tucked back in up through the hole. If there is a pushpin, use the funny knob on the butt end of the toolbox screwdriver handle to push the middle of the pin inwards; that should release the fastener. (Or use a small torx end, same idea, push in.)
If you have both side kickplates off, you should be able to tug the MCC forward. It's a snap fit, and can require some force.

Pull off the MCC knobs, and there are one or two Torx screws that remove the black front panel to get at the innards.
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steve12955 steve12955 is offline
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The radio can be unplugged without needing a code as long as it goes back into the same car. The console side panels can be removed without having to remove the glove box (although as Ed says removal is easy) or the driver's side under-dash panel (again, easy as Ed says). - at least that how I've done it on my '99 9-3. You will have to pull the panels forward to release the fingers/tabs that insert into the console.

It's always wise to disconnect the negative battery cable when
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...when working on the electrics.
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  #8  
Old 6 Days Ago
EdT EdT is offline
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Quote:
Originally Posted by steve12955 View Post
The console side panels can be removed without having to remove the glove box (although as Ed says removal is easy) or the driver's side under-dash panel (again, easy as Ed says). - at least that how I've done it on my '99 9-3. You will have to pull the panels forward to release the fingers/tabs that insert into the console.
The one time I tried to remove the side panel without removing the glovebox, I broke a couple of the tabs. Since the tabs are on the console face and not on the side panel (why, Saab?) I've lived with the loose-ish side panel ever since.

And that's why I recommend removing the glove box.
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