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Thread: Honda city 2009 AC malfunction

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    hank007's Avatar
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    Default Honda city 2009 AC malfunction

    It happened few back on a long drive. AC cooling and fan speed reduced significantly but it was ok the next day after a 12 hour break. Checked the engine bay when this problem showed up and coolant hose from compressor to cabin was all covered with ice. Got a checkup from Honda City workshop the other day and they couldn't detect anything. Any ideas?


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    I think its not a malfunction it is its peak performance,you see when you thought that A/C fan speed reduced its because of the duration you use the system (you have narrated that you were on a long journey) the thermostat which you must have set at max cold it is around 15 centigrade so what after that it has to trip for a while and it'll keep up repeating this process.Secondly the silver pipes covered with ice,its absolutely fine if chilled R-134 gas travels through these this is the result that only can be seen on the silver pipes.So don't worry and keep on chilling.
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    Its not malfunction, the setting of thermostat must be at maximum due to this, your evaporator coil becomes iced & then the A/c throw becomes low, low & finish! Just go to any A/c wala, he will set your thermostat at its original flow so that you can get good cooling & it should give a time gap too so that it doesnot gets iced! Hope you understood.

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    thats usually a problem leading to a blocked drain or a sticking expansion valve coupled to low refirgerant - that makes the evaporator metal temps to go below 0 degrees celcius - that may also damage the compressor (as liquid refrigerant cannot be compressed)

    I have seen this kind of problem in the Mercedes Benz Marco Polo buses used in UAE
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