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Thread: Air con hissing constantly after re-gas

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    Regular Member marky2027's Avatar
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    Default Air con hissing constantly after re-gas

    Just had air con re-gassed last week. At first it was quiet and blowing ice cold. In the space of a week it has developed a hissing sound when on any speed. This noise disappears when AC is turned off. It may be my imagination but it also doesn't seem as cold. I trust the garage where it was done and he's asked me to take it back in which I will do next week.
    Is this hissing sound normal? I've not had it recharged in 5 years. It passed the leak test but could this be a bust compressor?

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    Regular Member amand's Avatar
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    I had the same scenario & problem. all the gas leaked out again and its blowing hot air

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    Regular Member marky2027's Avatar
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    Quote Originally Posted by amand View Post
    I had the same scenario & problem. all the gas leaked out again and its blowing hot air
    So I presume the hissing noise is the gas escaping? How would the system pass the leak test then? What was wrong with yours?

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    Regular Member marky2027's Avatar
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    Just been out to the shops. it's totally bust now blowing hot air.....it's cooler outside. Not a happy camper!!!!!!!

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    Quote Originally Posted by marky2027 View Post
    Just had air con re-gassed last week. At first it was quiet and blowing ice cold. In the space of a week it has developed a hissing sound when on any speed. This noise disappears when AC is turned off. It may be my imagination but it also doesn't seem as cold. I trust the garage where it was done and he's asked me to take it back in which I will do next week.
    Is this hissing sound normal? I've not had it recharged in 5 years. It passed the leak test but could this be a bust compressor?

    have a look at post number 4
    http://www.vectra-c.com/forum/showth...-Air-con-noise

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    Regular Member marky2027's Avatar
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    I'm really peeved now. if the condensor was bust/leaking would this not be picked up by the leak test done prior to re-gassing?

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    i would take it back to the garage

    Did they put in a leak tracer dye when they refilled it?

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    Regular Member marky2027's Avatar
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    Quote Originally Posted by vectra ste View Post
    i would take it back to the garage

    Did they put in a leak tracer dye when they refilled it?
    Not sure.

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    Regular Member GoldenWonder's Avatar
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    Similar story to mine. Been told its leaking from the evaporator which is a pig of a job to remove. Is there anyone on the site with a vectra with working aircon!?

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