Question about 2003 Mitsubishi Diamante
I silcone greases all the rub points (looks like the factor did this as well) , getting under there is a pain (nothing to take apart)
Pop the pieces that on the right (when you are looking at the box from under the dash it will be the piece towards the seat back in to place and lub (it looks like it is binding) clealry actuar is having harder time doing it's job.
Posted on Feb 05, 2009
Just had the same problem & here is a 3 minute fix:
I live in Phoenixand was dying since the AC was blowing through the side vents but not the center on my diamante. I searched the internet & found a post from another owner with the same problem. here is what you do. Get a friend or your wife and have the move the center vent wheel while you are on the drivers floor board near the gas pedal. Look up to the right into the heating venting system and you will see where the connection "popped off" keeping the vent closed. With your hand grab the connection and open it "full time" and slide it back on the connector. Yoiu can see it very easy if your friend moves the vent wheel while you look up. Do not use the center vent wheel again. I went from no a/c coming from the center vent to fullblown air blasting out the center vent. My wife and I were so happy to have the vent working again (and A/C coming out) welive in Phoenix 115 degrees!!! we were thrilled! after many months vent is still blowing full blast every time. Its a very easy fix that is free and works goodluck!!
Posted on Sep 23, 2008
Over time age gets to the vent hoses... on some vehicles the hoses dry rot and fall apart.. on others they may just somehow come undone... only real way to tell.... *shivers... is to take the dash apart.. :(
Posted on Sep 22, 2008
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Posted on Jan 02, 2017
i was a GM mechanic for many years, the problem you are having is one of your mode door actuators has gone bad, most of the time it is the actuator on the drivers side that causes the problems, i have seen this many times, sometimes you can take it to the dealer and they can hook the computer up to it and recalibrate it but most times it has to be replaced , it is located under the dash in the area above your gas pedal.
Posted on Nov 10, 2008
Hey, what setting is your A/C on Max AC? AC? Cycling air in vehicle or taking it from outside
The car icon on the right in this image is what I'm referring to when I say cycling air in vehicle.
Also, do you ever have cold air blowing? on any setting or any speed? if not, find your A/C fan, it is smaller the the engine cooling fan, sometimes there are 2 fans together. The AC fan should be located at the front of the vehicle and is usually electrically powered.
Also try to find your compressor, looks something like this:
is it running? is one pipe hot and one cold? (the pipes I am referring to are inlet and outlet pipes of the A/C compressor unit.)
Hope this helps, keep me posted
Posted on May 10, 2009
My car just had that same exact problem took it to the shop and they found that there was a short on the ac circuit board so they put a jumper on it and this solved the problem and checked to make sure the proper fuse was the proper size.
Posted on May 22, 2009
SOURCE: 1994 c280 mercedes benz a/c
center console unit has a vaccum leak.
do you hear the vaccum pump in the trunk cycling over and over?
take it to benz for service very very difficult to fix.
Posted on Jun 12, 2009
All the blend doors and vents are controlled by vauum. If you look in the rear firewall behind the brake master cylinder you will see a vacuum check valve with lines entering the cabin of the vehicle. The yellow colored ones are for your central locking,the green for a/c system, and red for your heater/water valve,clear for your source. Try isolating your vac. systems by unplugging lines and capping them off. Any leak in either system can adversly affect another system. So isolate your leak and then you will have to test your actuaters in the leaky system. If you unplug the red line and cap it off-the water will stop entering your heater core.
Posted on Jun 27, 2009
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