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Thread: Aircon Hissing Sound on Start

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    Default Aircon Hissing Sound on Start

    I have not long changed my condensor as the old one was shot, big leak bottom left from front.

    Replaced the condensor and got gas topped up. However on the odd occasion when I first start aircon I get a hissing/gas sound from behind dash/front and it goes after a short while. It doesn't do it every time even on first run up of aircon in a while. Aircon still getting cold and seems not to of lost any cooling temp from when first done.

    Anything to worry about or get checked?

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    My car has done this since new. The car is approaching 8 years old and AC is still icy cold.

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    Vehicle : Vauxhall Astra-J

    Trim : Elite

    Engine : 2.0 CDTi

    Year : 2013

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    Quote Originally Posted by wickedwillie View Post
    My car has done this since new. The car is approaching 8 years old and AC is still icy cold.


    My car is 6 years old and does the same.

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    Regular Member Chris SRi's Avatar
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    Mine does this when you turn it on and then does it randomly while it is still turned on. Think mine has a leak though so is low on refridgerant so probably to do with that.

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    Regular Member chewy71's Avatar
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    wish I had aircon,.. 3 vec c's and not one works

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    Regular Member shb1988's Avatar
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    Vehicle : vectra

    Trim : gsi

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    Year : 2004

    Mileage : 69,000

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    I'd get the system, leak tested.

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    Quote Originally Posted by shb1988 View Post
    I'd get the system, leak tested.
    Our other Vec (2008 SRI) has been in and out of EH since 2010 and still no diagnosis, been in 6 times. They ignore my contact now so I've taken it up with VX.
    My XPII is going to local AC specialist as the dealers are rubbish.

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    Regular Member DeeBe's Avatar
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    Mine does it. I just ignore it. Never affects the use of it.

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    Administrator plasma's Avatar
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    think its down to low refrigerant level
    Plasma's Tech2 services are now open and able to provide services

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    Mine does it, the wifes Astra does it her Golf did it my Saab too plus the 7 series as the condenser cuts in it seems to be (according to a local refrigeration engineer) the moisture being dries out in the pipes as the chiller cuts in, and is totally normal.

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