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Automotive electricity

air conditioning of Suzuki SX4 does not cool

Rafael Moraes Donnángelo

hace 6 años

Dear old colleagues, good evening! Always with some complicated problem, I hope they can help me. I have a Suzuki SX4, and for a while to this part the A / C does not cool properly. It happens that the compressor cycles many times and very too little time. Obviously both the high pipe is warm, and the low pipe is cold (not less than 14 °). Inside the cockpit obviously there is no difference in temperature. It worked properly until a month ago. I use all winter and summer A / c because I do not open windows. If you could help me figure out why I would be so grateful for that bike. I am sure that if the ignition cycles lasted for at least 40 seconds the equipment would cool as it is! Thank you for your time and advice!

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charly48

1.712

hace 6 años

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hace 6 años

If you want to get your hands on the solution, I'll give you some possibilities regarding the fault you mention. Check the high and low pressures, 200/220 psi and 30/40 in the order listed. Disconnect the pressure switch and bypass it. Saturated dehydrating filter. Temperature sensor or control unit of a / a according to year of manufacture, which does not clarify, this being very important to facilitate the diagnosis. Relay control, bypassing pins 30 and 87. I hope that you are able to verify the above, but I have the sensation of having answered a riddle.

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Rafael Moraes Donnángelo

hace 6 años

Dear Charly! Thank you very much for the reply! Detail, year 2008 Suzuki DX4 sedan. Do not consider the oil filter, but grep anyway that the only one that had peephole was the Mitsubishi 2009 I had, this is blind, how do I check saturation? The relay was where I was going to start, and the pressure switch had discarded it (ignorant) because I assumed it was working because the magnet was docking and the compressor was working, just like the electro. I'm having the computer, but I doubt the scanner I have access there, some other way to check that the internal thermocouple walks

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charly48

1.712

hace 6 años

If it does not have a viewfinder, when the doubt must be replaced, the thermocouple is verified just like any NTC, at higher temperature, lower resistance and lower voltage.

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Rafael Moraes Donnángelo

hace 6 años

Again thank you very much, Charly! If I know how to verify it, but I do not know its curve, I hope you have some printed data to search datasheet. Again, thank you, that filter, load and I hope nothing else will pain me 1000 pains, in Uruguay the only cheap for now is the parsley, and at a fair. Check everything and comment!

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nashagui

hace 6 años

I have a colleague with that car that had a problem with the air conditioner. at the end had one of the aluminum tubes of chopped air conditioning, the solution went through soldering said tube.

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