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Thread: A very slight leakage of AC refrigerant. Suggestions

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    Default A very slight leakage of AC refrigerant. Suggestions

    Hello folks!
    I have Corolla 90 with 4AFE engine. I had refilled refrigerant in AC last year but now it has been all left to half. According to mechanic it's a very slight leakage and would require a hard toil to trace. Estimated cost is around 5 thousand.

    Is there any mechanic who could diagnose this easily, like ultraviolet leakage detection?

    Click here for SOLUTION

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    do you use A/C in the winter?
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Quote Originally Posted by Xulfiqar View Post
    do you use A/C in the winter?
    your tip worked for me this year
    no gas leakages
    Just Do It Your Self!!!!!

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    Quote Originally Posted by Xulfiqar View Post
    do you use A/C in the winter?
    Any sane person won't. What makes you think so?

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    Quote Originally Posted by umarkhan1 View Post
    your tip worked for me this year
    no gas leakages
    share..
    A real driver knows exactly what's in his car.

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    Quote Originally Posted by raja20103 View Post
    share..
    use the ac daily at least for 5-7 minutes even in winters.it prevents gas leakages from compressor clutch
    Just Do It Your Self!!!!!

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    Quote Originally Posted by umarkhan1 View Post
    use the ac daily at least for 5-7 minutes even in winters.it prevents gas leakages from compressor clutch
    Seriously. You want to use ac in -10C temperature?

    Sent from my Nexus 5 using Tapatalk

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    Quote Originally Posted by babarhyd View Post
    Seriously. You want to use ac in -10C temperature?

    Sent from my Nexus 5 using Tapatalk
    so the temp in Karachi in winters goes upto -10 deg????
    i didnt know that!!!!
    what we are talking is the prevention of gas leakage,and its the best method
    Just Do It Your Self!!!!!

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    Quote Originally Posted by umarkhan1 View Post
    so the temp in Karachi in winters goes upto -10 deg????
    i didnt know that!!!!
    what we are talking is the prevention of gas leakage,and its the best method
    Not in Karachi. I am talking about whole of Pakistan. Khair best method is regular maintenance and ac service at the start of summer season.

    Sent from my Nexus 5 using Tapatalk

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    Quote Originally Posted by umarkhan1 View Post
    use the ac daily at least for 5-7 minutes even in winters.it prevents gas leakages from compressor clutch
    5-7 minutes daily is too much/not possible if you have more than one car.
    I heard that one should use it at least once a week in winters.
    "The more we sweat in peace, the less we bleed in war"

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    Quote Originally Posted by SmilingTulip View Post
    Any sane person won't. What makes you think so?
    Use the A/C along with heater to defog the windshield and side windows. Its normal procedure. If you dont use the A/C at all - the compressor shaft seal will dry out and leak.

    If you drive any newer car you will notice that when you switch to defrost the A/C switches on. Or if you drive a car with climate control the A/C compressor switches on nearly everytime unless you actually call the function of "no refrigeration"
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Quote Originally Posted by babarhyd View Post
    Not in Karachi. I am talking about whole of Pakistan. Khair best method is regular maintenance and ac service at the start of summer season.

    Sent from my Nexus 5 using Tapatalk

    regular maintenance is not disassembling the system to powerwash it every year, I have never had to take apart a unit after working on it unless it was impacted or damaged.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Quote Originally Posted by Xulfiqar View Post
    regular maintenance is not disassembling the system to powerwash it every year, I have never had to take apart a unit after working on it unless it was impacted or damaged.
    Exactly.

    Sent from my Nexus 5 using Tapatalk

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    Quote Originally Posted by babarhyd View Post
    Seriously. You want to use ac in -10C temperature?

    Sent from my Nexus 5 using Tapatalk
    switch on the heater and switch on the A/C - nice dry air
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Quote Originally Posted by Xulfiqar View Post
    switch on the heater and switch on the A/C - nice dry air
    That's an excellent idea.... Will do these this winter. But in my all cars ac has been working fine since last 2 years. 1988 accord, city 04, and Pajero 1990. City's ac was serviced last week for the first time in 9 years because of low blower output. Accord refill and service was done 3 years back. Pajero never some i bought that this winter.

    All have been working great in Hyderabad in temperatures over 47 degrees celsius....

    Sent from my Nexus 5 using Tapatalk

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    Quote Originally Posted by Xulfiqar View Post
    Use the A/C along with heater to defog the windshield and side windows. Its normal procedure. If you dont use the A/C at all - the compressor shaft seal will dry out and leak.

    If you drive any newer car you will notice that when you switch to defrost the A/C switches on. Or if you drive a car with climate control the A/C compressor switches on nearly everytime unless you actually call the function of "no refrigeration"
    Alright. Thank you, but what now?
    Is there some leakage now or should I just simply top up the refrigerant and keep turning it on once in a while during winters too?

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    Quote Originally Posted by SmilingTulip View Post
    Alright. Thank you, but what now?
    Is there some leakage now or should I just simply top up the refrigerant and keep turning it on once in a while during winters too?
    Test that if the shaft seal is leaking on the compressor, if it is then you need to replace it - unfortunately it is not sold as retail part in Pakistan, however some A/C shops might have it. It also requires one or two special tools to install.

    You may try to fill up the refrigerant after making sure that you have no other major leaks and then use the system normally. What kills it is letting it sit for ages.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Thanks!


    Sent from my iPhone using PW Forums

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