'93 Bonne A-C Problem
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'93 Bonne A-C Problem
My 1993 Bonne SSE A-C with electronic climate control needs help. When I press the automatic button on the a-c controls, the compresor is supposed to turn on. I had the system checked & was told that it was completely empty due to a leak at the compressor. I have read here that the compressor will not turn on if the systyem is empty, so I was hoping that as I began to fill the system with r134, it would kick in...it never did. I bought an R134 conversion kit at Wal-Mart with 3 cans of refridgerant/oil/sealer, r134 fittings, & pressure gauge. I started the car & turned the a-c on, but because the compressor won't torn on, the climate control display read "Econ", rather than "Automatic". I hooked up the pressure gauge accorinding to the instructions, & the gauge immediatly went into the yellow none. The can did begin to get cold, but I stopped since the gauge was approaching the red zone.
In 2001 I had a rebuilt compressor, new dryer, & hoses.
Any help is greatly appreciated!
John
In 2001 I had a rebuilt compressor, new dryer, & hoses.
Any help is greatly appreciated!
John
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1993 Bonne AC problem
Thanks Fuddy. When I reconnect the battery, will the compressor then run even though there is no freon in the system, or will I need to jump the connector to try to get it to run?
Thanks,
John
Thanks,
John
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Jump the pressure switch so that the compressor with run, you have to trick the system it has to think there is freon in it. Make sure you have the can tap open ready to charge on the low side(suction). You do not want to run your compressor dry.
Good Luck!
Good Luck!
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How exactly do I jumper the switch on the accumulator? I know I need to unplug the black connector...do I then attach a wire from one contact to the other on the 2 prongs on the accumulator that the black plug plus into?
Thanks,
John
Thanks,
John
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Originally Posted by John Kirk
How exactly do I jumper the switch on the accumulator? I know I need to unplug the black connector...do I then attach a wire from one contact to the other on the 2 prongs on the accumulator that the black plug plus into?
Thanks,
John
Thanks,
John
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or as I just posted to another user with the same problem.....
=======================
I had this same problem a few weeks ago with my 92 SSE. The pressure gauge was reading really high and it wouldnt accept fresh gas. The system was previously empty.
I found that when I started the car, the low gas tripped an error in the PCM, and shut off the compressor. Even switching off and restarting didnt enable the compressor.
I had to remove the battery cable to reset the PCM. Then hooked up the new gas (with oil - dont forget) and started the car. I found I would get about 30 seconds before the PCM would trip again and during the first 30 seconds while the compressor was running, I emptied that gas into the system. I think it took 2 8oz cans of gas. So after removing the battery cable a couple of times and restarting the car, the compressor now stays on and is cols - works great.
Just keep resetting the PCM by removing the battery cable, and feed it gas. After a few times, it will work.
=======================
I had this same problem a few weeks ago with my 92 SSE. The pressure gauge was reading really high and it wouldnt accept fresh gas. The system was previously empty.
I found that when I started the car, the low gas tripped an error in the PCM, and shut off the compressor. Even switching off and restarting didnt enable the compressor.
I had to remove the battery cable to reset the PCM. Then hooked up the new gas (with oil - dont forget) and started the car. I found I would get about 30 seconds before the PCM would trip again and during the first 30 seconds while the compressor was running, I emptied that gas into the system. I think it took 2 8oz cans of gas. So after removing the battery cable a couple of times and restarting the car, the compressor now stays on and is cols - works great.
Just keep resetting the PCM by removing the battery cable, and feed it gas. After a few times, it will work.
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1993 Bonne A-C problem
Ok. I went into diagnostic mode on the automatic climate control & got code 48 which is long term freon loss. I cleared the code & was able to run the automatic climate control in AUTO mode. I immediatly opened the valve on the can or r134 refridgerant...it seemed to take a little bit, then the gauge shot up to the red zone so I stopped. I also jumpered the black connector at the accumulator & it sounded like the compressor was running, but again the gauge was in the red.
I can tell that there is some pressure in the system when I disengage the valve from the low side valve because I can hear air...similar to what you hear when you unplug a bike tire pump from the tire after pumping it up.
I did have a shop test my system a few weeks ago & they found that the system was completely empty & that I have a small leak at the compressor & at the condensor.
Any ides?
Thyanks,
John
I can tell that there is some pressure in the system when I disengage the valve from the low side valve because I can hear air...similar to what you hear when you unplug a bike tire pump from the tire after pumping it up.
I did have a shop test my system a few weeks ago & they found that the system was completely empty & that I have a small leak at the compressor & at the condensor.
Any ides?
Thyanks,
John
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sounds like you were doing the right thing, thats what mine did. Because there is low gas, the compressor will run for 30 secs or so, then shut off, then your pressure will go up. Dont try and fill it while the pressure is high. Remove the battery cable, reattach it, start the car, put AC on auto and make is as cold as you can. then fill with gas again.
You may have to do this a couple of times.
Make sure the gas is the one with oil in it.
I have 3 cars with cold air now, that I did this procedure with, so I know it works.
Good luck.
You may have to do this a couple of times.
Make sure the gas is the one with oil in it.
I have 3 cars with cold air now, that I did this procedure with, so I know it works.
Good luck.