Air Conditioning problems
#1
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Join Date: Nov 2001
Location: San Jose, Costa Rica
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Hi
I need some advise on why my A/C is not cooling.
I have taken the car to a couple of A/C repair shops, and they check the compressor and find it working ok, then they fill the system with Gas, but it doesn’t cool. I was told that there is a little valve in the passenger side of the car that can be blocked...
Any and all help will be greatly appreciated.
Regards,
Agustin
I need some advise on why my A/C is not cooling.
I have taken the car to a couple of A/C repair shops, and they check the compressor and find it working ok, then they fill the system with Gas, but it doesn’t cool. I was told that there is a little valve in the passenger side of the car that can be blocked...
Any and all help will be greatly appreciated.
Regards,
Agustin
#2
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Hi Agustin,
First off if you go to 2 different shops and they both fill the system, there must be major leak. You may also have an expansion valve ($25-30) that is no longer working. This should be relatively easy for a A/C shop to diagnose.
IF your system has a leak, the best thing to do is switch to R-131. You will need a new drier ($25-30) and possibly a new expansion valve. You could also have a blocked condenser ($225-330). Less likely source of the leak is the evaporator ($185-190).
But before you replace parts you have to find the leak. The hoses can be rebuilt (50-100) if that is the leak. The condenser could be damaged, leaking and or blocked. If you compressor is good don't let them talk you into a new compressor ($440-575). It is not necessary to change to R-134.
If you have to dump all the freon (gas) out switch to the cheaper R-134. Don't use the A/C until you get the system fixed. You could damage the compressor.
Good luck,
Chuckster
First off if you go to 2 different shops and they both fill the system, there must be major leak. You may also have an expansion valve ($25-30) that is no longer working. This should be relatively easy for a A/C shop to diagnose.
IF your system has a leak, the best thing to do is switch to R-131. You will need a new drier ($25-30) and possibly a new expansion valve. You could also have a blocked condenser ($225-330). Less likely source of the leak is the evaporator ($185-190).
But before you replace parts you have to find the leak. The hoses can be rebuilt (50-100) if that is the leak. The condenser could be damaged, leaking and or blocked. If you compressor is good don't let them talk you into a new compressor ($440-575). It is not necessary to change to R-134.
If you have to dump all the freon (gas) out switch to the cheaper R-134. Don't use the A/C until you get the system fixed. You could damage the compressor.
Good luck,
Chuckster