Question about 2007 Mercedes-Benz E320 BLUETEC Sedan

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Ac gets cold but wont blow hard says display defective, why will my ac not blow hard?

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It is possible that your cabin air filters are plugged

Posted on Aug 06, 2010

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I hit a big bump and my ac went from blowing cold air to hot and wont get cold again. What could be the problem?


If you broke one of AC pipes/connectors then you've just lost all the coolant agent from the AC system. Get it checked at the garage (not cheap though)

Jun 24, 2015 | 2006 Chevrolet Impala

1 Answer

03 grand am ac wont blow cold air


Two things are very likely to be your problem. Freon or compressor. Turn on the ac on cold and see if the compressor is engaging, if it is and stops and goes or if it doesn't. try to check the compression on the low side of your ac, the smallest plug where you service the ac. Or take it to an ac professional to get it refilled or checked. Remember, just because its blowing air, it doesn't mean its working. There are fans inside the car that push the cold air inside your vehicle and most of the time these will work, but that's not the only part required to blow cold air inside your car, the compressor is what makes the air cold.

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Ac blowes cool but wont get cold


same thing on my 2003 pt crusier blow cool but not cold

Jun 26, 2012 | 2003 Chrysler PT Cruiser

1 Answer

Air cinditioning wont stay on, it switches to heat and wont shut off


What do you mean when you say it wont shut off? is it blowing hot air or do you just feel a lite flow of hot air even if you have the settings to cold?

If this is the problem that you always feel hot air at low flow and the ac goes to hot air then i would say one of two things, first if you have the selector to cold and you feel hot air then there may be a problem with the blend door, this door move to allow hot or cold air, the door may be broken or just a bad motor that controls it. keep in mind if the ac system shuts down for any reason the air then will be warm, it will be about the same temp as outside and maybe a little hotter.

this problem almost sounds like the ac compressor shuts off and then you are getting the outside air which is hot, there are many reasons for the compressor to shut off, it could be the compressor clutch heating up and disengaging , this would be due to a bad compressor clutch.

another reason is the fans are not working, the best thing to do is when the system starts to blow warm check and see if the compressor is running, start engine and look at the front of compressor, with ac off the front of it will not move, and then with ac on the front will spin, check it out and let me know, if it blows warm air and ac is not working then it may be compressor problem but if you are getting warm air and the compressor is spinning then it may be a door problem.

This is hard to check with out testing the system, so i listed a few things to check and let me know the out come. also the ac blows cold for how long before it gets hot air blowing out of the vents, good day.

May 25, 2012 | 2000 Dodge Grand Caravan

1 Answer

Saturn ac wont blow cold air


check cooling fan operation while ac on.If fan is working proper,will probably have stuck exspantion valve.

Jun 18, 2009 | 2003 Saturn L-Series

1 Answer

AC not blowing cold air at times


poss causes are, sticking low pressure switch, defective Ac compressor clutch closing coil or incorrect clutch driven plate air gap, spec is 0.26 thousands.

May 11, 2009 | 2003 Ford ZX2

2 Answers

Heater blows cold air ac blows warm air


Your problem is the air temp control blend door actuator is defective and not controlling temp u set. to change/access this part the dash assembly must be removed from the car.

Mar 24, 2009 | 1998 Ford Taurus

1 Answer

Ac compressor won't kick on


Just had the same issue and posted. Just found the solution is the control module in the dash. Went to the junk yard since new is expensive on these units. Plugged new unit in, was able to charge a/c now blows cold as ice.

Mar 08, 2009 | 1991 Chevrolet Silverado 2500

1 Answer

Heater or ac fan does not blow, ac still cold, fuse where is it


Yes, but more likely the fan speed switch is defective or the blower is defective

Oct 20, 2008 | 2005 Chevrolet Suburban

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