air conditioning question
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  1. #1
    Registered Member y2j514's Avatar
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    air conditioning question

    I have a question regarding air conditioners in cars. My question is does the Freon (I know it's not
    Freon anymore but I mean the replacement) lose efficiency or it's ability to cool over time?

    What I mean is assuming there is no leak, does the fluid need to be changed like motor oil at certain intervals in order to maintain it? Or is the coolant good forever?

    Thanks.

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    Interesting place to ask, but yes the refrigerant needs to be recharged.

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    Swirls+Surly=Swurly ClearlyCoated's Avatar
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    Re: air conditioning question

    I have been told no, by my dealer's service manager and the manager at an Autozone (both of who would have profited by convincing me otherwise). I was told by both in slightly different explanations that the AC systems in modern cars are self contained and hermetically sealed. Unless you are detecting a noticeable drop in cold air or have detected a leak, recharging your AC is not necessary. It won't hurt, but it won't add anything significant.

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    Id rather be detailing habeba86's Avatar
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    Re: air conditioning question

    While I dont have any knowledge of a technical answer.....I can tell you my dad bought an 00 silverado new in 2001 and hasnt done anything to the AC and it still works great over 11 years later.
    00 GTP
    10 Z1000
    97 XJ (mobile rig)

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    Re: air conditioning question

    The system is contained. Unless there is a leak somewhere, you're refrigerant does not need to be replaced. You could try using AC dye, or a freon detector to check for leaks. You could also check the pressure on the high and low using a system such as http://www.harborfreight.com/a-c-man...set-92649.html

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    Registered Member CHzo6's Avatar
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    Re: air conditioning question

    Quote Originally Posted by aslam View Post
    Yep!! Should be recharged!!!
    No, it doesn't, unless there is a leak or not working properly, the system is good for life.

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    Registered Member aris's Avatar
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    Re: air conditioning question

    Quote Originally Posted by CHzo6 View Post
    No, it doesn't, unless there is a leak or not working properly, the system is good for life.
    +1

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    Re: air conditioning question

    Unless you have a leak, doesn't need recharged. I always put it this way to my customers "how often do you need to get topped off with blood"? Never, unless you have a leak.

  9. #9
    Star Kicker TOGWT's Avatar
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    Re: air conditioning question

    All motor vehicles since 1995 have been designed to use R134a as the refrigerant in their Air Conditioning systems, which as stated is a sealed system. There is no need to replaace / renew the refrigerant unless there is a leak
    ~ Providing unbiased advice that Professional and Enthusiast Detailer’s Trust ~ Blog – http://togwt1980.blogspot.com

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    Re: air conditioning question

    Quote Originally Posted by CHzo6 View Post
    No, it doesn't, unless there is a leak or not working properly, the system is good for life.
    Quote Originally Posted by aris View Post
    +1
    Make that +2

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