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Total questions: 2402
How do you add freon to an auto ac system?Popularity: 150
How do you fix your air conditioner if it is losing liquid and will not get cold?
Popularity: 129
Why might the air conditioner not shut off when the car is off?
Popularity: 125
How do you add freon?
Popularity: 120
Where can you buy freon?
Popularity: 117
What is wrong if the air conditioner is running but no air is circulating through the front vents?
Popularity: 116
How much leakage of coolant should you consider to be a 'real' leak?
Popularity: 114
What should the pressure be when putting R-134a to recharge air conditioner?
Popularity: 110
How do you troubleshoot the AC on a Dodge Caravan or Saturn SC1?
Popularity: 104
Is it okay to drive a car to an auto shop less than 2 miles away when your car has been leaking coolant?
Popularity: 102
Where can you buy a pressurized can of auto air conditioning R-134 with pag oil and leak dye?
Popularity: 97
Is there a relay switch on the air conditioner?
Popularity: 95
AC blower blows on high and all speeds but there is very little air flow thru AC vents what would cause this?
Popularity: 91
Why would the AC fans not come on when you turn on the AC?
Popularity: 91
Why would the air conditioner only blow cold air on the floor but not through the vents?
Popularity: 90
What would make the engine jerk when the air conditioner is turned on?
Popularity: 84
Is the air conditioner actually hard on your engine like everyone says it is?
Popularity: 83
Why is the air conditioner cooler while driving?
Popularity: 83
Why does your car smoke sometimes when you turn on the AC?
Popularity: 82
Why wouldn't the AC compressor turn?
Popularity: 81
Why does it sound like the air from the AC is being blown behind the dash after the AC runs for about 45 straight minutes?
Popularity: 81
What would be the cause an engine to backfire when you turn on your AC?
Popularity: 79
How does air conditioning in a car work?
Popularity: 78
Why does the AC only work on the highway?
Popularity: 77
Where can you get R12 freon?
Popularity: 75
Why would your AC not come on when you turn the knob?
Popularity: 73
Why would there be no voltage to the AC compressor clutch?
Popularity: 71
Where is the air conditioner drain?
Popularity: 71
Why would an ac intermittently blow cool air through the vents even though the fan appears to be working ok?
Popularity: 69
Where is the low pressure hose to add a booster to your air conditioner?
Popularity: 67
How do you jump the low presure switch with the engine running and AC turned on to find out if the compresser is good?
Popularity: 67
Why does a car's air conditioner run fine in max setting but shut the compressor off when in normal?
Popularity: 66
How do you repair air conditioning?
Popularity: 65
Why does the AC compressor keep clicking on and off even after you installed 2 cans of 134A?
Popularity: 64
How difficult is it to replace an air conditioning compressor if all of the freon has already leaked out?
Popularity: 63
Is there a fuse under the hood for the AC compressor on a 1999 Mercury Villager that would cause the compressor not to start when the AC is turned on?
Popularity: 60
Should bubble be green if air conditioner is full?
Popularity: 60
What is the horrible smell when you turn on your air conditioner?
Popularity: 60
How do you recharge your AC system?
Popularity: 59
How much oil do you put in the ac compressor when replacing it?
Popularity: 58
Why does the AC compressor shut down in very hot weather but work ok in the AM?
Popularity: 58
What can cause a car to lose coolant?
Popularity: 57
Where do you recharge the air conditioning system at?
Popularity: 57
What do you do if your vehicle's air conditioning stopped and will not take any more fluid and appears blocked?
Popularity: 57
How is a vacuum switch installed for car air conditioners?
Popularity: 56
How do you fix an overcharged ac compressor?
Popularity: 55
Why are three wires going into your AC - white red and green - and where does the green one go?
Popularity: 55
How do you add refrigerant to your air conditioner?
Popularity: 54
Why does compressor not empty can of coolant There is always about hale left and will not go into the unit?
Popularity: 54
How you can fix a bad smell in the air conditioner of a car?
Popularity: 53
Is there an automatic shut-off in the AC that shuts down the coolant completely when at an idle?
Popularity: 51
How can you troubleshoot an AC heater system that coolsheats but the fan doesn't blow?
Popularity: 49
What should your coolant temperature be when the car is in idle?
Popularity: 49
Can the AC be overcharged?
Popularity: 48
When you put freon in the thing that looks like a radiator it leaks it out before it gets to the ac unit also the compressor does not kick in any answers?
Popularity: 47
Does a broken air conditioner cause an engine light to come on?
Popularity: 46
You pressed the ac button on but the ac light isn't on and the ac isn't working what might be the possible causes for that?
Popularity: 43
When should you see an accumulation of moisture and or water dripping below the ac accumulator?
Popularity: 43
Why is the floor on the passenger side rear seat behind the front seat getting wet ac heater from where?
Popularity: 42
How do you put compressor oil in a car ac?
Popularity: 42
Where is the low presure switch located?
Popularity: 39
Why would the AC on a car not start if it worked last week if you shut the car off and restarted it?
Popularity: 38
What causes the AC to expel a petrol like odor after 30mins of use?
Popularity: 37
How do you find out what part of the air conditioning system needs to be repaired?
Popularity: 37
Where should the coolant temperature be when the car idles?
Popularity: 35
Why does the AC in a car make random noise at random times when it is on?
Popularity: 35
Where is directional valve located?
Popularity: 30
Why your AC blows cold air just for 5 minutes and then normal air comes through?
Popularity: 30
When the AC won't kick on where do you first look?
Popularity: 30
Why would the car cut off when the air conditioner is on?
Popularity: 29
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