If your automotive air conditioner isn’t working quite right, here are a few ideas to begin. First of all start with the control panel on your dashboard. Most automobiles have an A/C button that actually turns the compressor on and allows cold air to be circulated. You might have accidentally hit the recirculation button instead of the A/C button. (Don’t laugh, I had a friend that spent a week in a hot car and all he needed to do was press the right button.) The second thing to check is the actual function of the controls. Do they move at all? Are they loose and giggle around? The big question is “do they feel different from the last time your air conditioner worked?"This could tell if the controls are messed up and need replacing. Your air conditioner system may be fine but the controls could be frozen or broken. If your controls seem to be functioning, lets move to the blower fan. Turn on your car and start you’re air conditioner as you normally would. Then turn your blower to it’s highest setting. Can you here your fan blowing? If you can hear it, does it sound weak or whining. This could signal that your blower motor is malfunctioning or needs to be replaced. If it doesn’t work at all, check the fuse for the blower motor. The fuse for your blower motor should be located in the fuse box under the dash. Most automobiles have the fuses clearly labeled. First take out the blower fan fuse with the removal tool provided in the fuse box. A blown fuse should be easy to identify. However if you are unsure, replace it with a similar rated fuse and try your blower again. If that fuse blows you may have a bad blower motor or a short in the circuit. In this case, you will need an authorized mechanic to fix it.
If the blower fan is working properly and you can only get cold air out of the defroster vents, you may have vacuum-system supply line problem. To check for this, look for a small black plastic tube going from the engine area through the dash. It is usually right by the refrigerant lines. Check this tube and see if it has holes or is not connected. If all of these little tips are not helping and you’re A/C doesn’t blow cold air no matter how many switches you turn on or off, you will probably need an certified mechanic. Good luck and stay cool!
» left by needrealinfo (2 years 166 days ago.)
This article is a little too basic, a completely useless waste of cyberspace! Respond to this comment
» left by Jimmy Mack from Charlotte, NC (2 years 145 days ago.)
We need answers not someone speaking down to people trying to fix their problem. Maybe a more technical approach is warranted. Respond to this comment
» left by Sever from Viewfield. ND (2 years 135 days ago.)
This article would be GREAT for a little old lady that knows nothing about anything mechanical. For anyone with any knowledge of mechanics at all it is absolutely useless. "Are you pushing the wrong button"????? Respond to this comment
» left by Narry Denton from south central florida (2 years 111 days ago.)
Buddy of mine has an 2000 Mitsubishi Eclipse, problem is that he has an very bad leak in the driver floorboard and he thinks its the ac. But it has ruined his carpet. when he took it to the shop they couldn't find the problem they were calling it a drain is clogged. Respond to this comment
» left by Anonymous (2 years 99 days ago.)
way too basic for most .
» left by jonathan from comtois (2 years 85 days ago.)
what do i do if the system was over pressurized with r132 and no cold air is blowing Respond to this comment
» left by Anonymous (2 years 83 days ago.)
I agree with the others who said this article is WAY too basic for the visitor who's likely to have come here with the idea in mind of--at minimum--trying to see what's wrong in an effort to avoid an unnecessary & expensive trip to the shop, or at least preparing for the visit by becoming a knowledgeable consumer.
» left by Frank from Aberdeen, Maryland (2 years 20 days ago.)
How do I find out what is causing my air conditioner blower not to function? I checked the fuse and it is good. It is a 1987 Ford F-350 van. Respond to this comment
» left by maria from miami, fla (1 year 162 days ago.)
why does my car air conditioning system blow out cool air and then blow out burn rubber smell
Her A/C was working fine last summer. This spring it's blowing warm air. She then put in coolant herself. (She's done it in the past) After she put in the coolant the A/C worked fine - blowing cold air for a month. Now it's blowing warm air, again. She brought it to a mechanic & was told the problem was (condenser or compressor) and will cost $1,000. Does this sound right?
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