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A/C issues on 2002 Jeep?
the a/c works great (really cold air) on my jeep for about 10 minutes the first time i start the car for the day then after about 15 minutes the air flow get warmer to the point is like its on vent. then its like that the rest of the day,unless the car sits for several hours then its cold for 15 then get warmer, any ideas or suggestions, the freon is good had that filled by a friend with a a/c shop before i left for florida but it was really cold out so it semed fine the whole time, but down here not so much, any ideas or helpful suggestions
any idea on prices to fix it?
5 Answers
- boogie_4wheelLv 71 decade agoFavorite Answer
I agree with UCANTCME. If your buddy checked the freon before you left, you either have a leak in the system, or your compressor is not cycling.
Open the hood and flip on the A/C. If the A/C compressor stay engaged for more than 60-90sec, then you have a bad switch, I would guess low pressure/cycling, but could be a different one. THe A/C system is freezing up, which is why you get really cold air then it gets warmer and warmer, because ice has formed.
- Anonymous1 decade ago
THE JEEP WILL NOT HAVE A THERMOSTAT BUT RATHER IT COULD HAVE A BAD DRIER AND H-VALVE OR OTHERWISE KNOWN AS THE EXPANSION VALVE.
YOU CAN ALSO HAVE A BAD PRESSURE SWITCH OR RELAY AS WELL.
EVEN THE A/C / HEATER CONTROLLER INSIDE COULD BE CAUSING THIS.
I WOULD HAVE A LOCAL INDEPENDENT AUTOMOTIVE A/C REPAIR SHOP CHECK THIS OUT FOR YOU IN THIS ORDER.
1. CHECK FREON LEVEL ON BOTH LOW AND HIGH SIDES.
2. IF OKAY THEN SCAN THE VEHICLES COMPUTER.
DO NOT GO TO THE DEALER OR ANY OF THOSE CHAIN STORES FOR SERVICE, THESE PLACES ARE JUST PARTS CHANGERS.
Source(s): 923 - slp9209Lv 41 decade ago
sounds to me you have a vacume leak under the hood their is a vacume line that opens the flow of anti freze to the heater core it is a valvue right in front of the overflow bottle check the vacume line going to that valvue also check the vacume line under the dash on the passenger side that is where it opens and closes the window that sends or deflects the cold and hot air good luck with it
- Anonymous1 decade ago
You might have a leak in the system they may need to induce dye in the system to check it for leaks
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