Question about 2003 Mitsubishi Outlander

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Air conditioner comes out hot and cold

A/c light blinks occasionally i get about 5 mins of cold air then i get 2-8 mins of hot while moving or stopped

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  • brigrino Jul 09, 2008

    Have the same problem... Dealership inspected my freon, compressor, all good... changed some parts(hot, cold and Max AC dial) because it was hard to turn and could'nt reach MAX AC, installed a cabin filter to prevent dirt to come in(not existent on '03 models). Still the same problem. I ordered an AC switch but would like to know how to locate and replace it



  • Boothl Jul 25, 2008

    Have a similar hot and cold AC on a 2003 Outlander. It runs cold for 5 - 10 minutes, then gradually warms up over the next 5 minutes. Went to a repair shop and they checked the freon (coolant level) level and noted it was down 50%. They topped up level added tracer dye and leak checked. No leaks found but problem still existed. Further troubleshooting is they expected the hi/lo pressure sensor switch. Wasn't able to get switch at this time and am taking in for further work but need the control schematic.



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Hi, Had the same problem, checked all possible solutions but my service tech found that the Compressure clutch was not aligned properly. When the engine was cold, the AC was funtionning until sensor stop it but could'nt re-engage after the engine was warm (metal retraction).
He removed a spacer from the polley and problem fixed in 20 minutes!

Posted on Jul 29, 2008

  • brigrino Jul 29, 2008

    Hi, Had the same problem, checked all possible solutions but my service tech found that the Compressure clutch was not aligned properly. When the engine was cold, the AC was funtionning until sensor stop it but could'nt re-engage after the engine was warm (metal retraction). 
    He removed a spacer from the polley and problem fixed in 20 minutes! 



Hey, another issue I had with hot/cold a/c and vent is the heater temp regulator valve located under the Outlander dash near the foot accelerator- valve does not close completely and allows some hot water to flow even when on off position. I didn't want the dealer to tear out my dash to fix the problem, so I installed a manual brass valve in the hot water line outside between the firewall and engine. Just have to remember to adjust it with the seasons.

Posted on Oct 14, 2008

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We have to choices here.
first check the pressure on your a/c system and be sure that it's correct.
if a/c freon is low your compressor will engage and stop periodically.

second. if first step is ok then you may have a bad vacuum element.
they are located inside the dash and operate by vacuum. your a/c switch sends the air to open them or close them, if one is defective ( leak ) it may open and close allowing hot air or cold air to contaminate the system. " this is a very hard job to do "
so if first step fixes it then that's awesome if not let me know and i can look it up for you ( the steo 2 )
hope this helps

Posted on Jun 08, 2008

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