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Thread: Air Con Leak - Low Pressure Side

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  1. Re: Air Con Leak - Low Pressure Side 
    #51
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    Had a look at the condenser through the front bumper….looks like it’s taken a few hits from stones / debris. I can clearly see the horizontals have been dinged in 2 areas (enough possibly to cause a leak) but cannot see any signs of oil / refrigerant. Would of thought if it was leaking from there I would see signs of this. Suspecting a hole in the condenser due to damage. However I thought this may have been picked up when performing the vac test prior to injecting the refrigerant. It holds vacuum without an issue.

     
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  2. Re: Air Con Leak - Low Pressure Side 
    #52
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    I have had a couple go but as Denso now stipulate you must fit a new one, this gets dealt with during the inevitable compressor change. You should see the way MQB ones rot and fall to bits.
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

    Slava Ukraini
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  3. Re: Air Con Leak - Low Pressure Side 
    #53
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    Not heard of MQB. Who are they? A manufacturer / supplier?

    Do you think the damaged captured in the above images enough to cause a leak in the AC system?
     
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  4. Re: Air Con Leak - Low Pressure Side 
    #54
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    MQB is Modularer QuerBaukasten (Modular Transverse Matrix) which is the Golf 7 etc platform, Golf 5 is PQ35 (Passagier Quer or Passenger Transverse design 35), funnily enough about ten minutes after I typed that a Golf 7 pulled in with the condenser hanging in pieces. The condenser is not a common PQ35 platform issue, usually it is the pipe on the right inner wing.
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

    Slava Ukraini
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  5. Re: Air Con Leak - Low Pressure Side 
    #55
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    Ok thanks Crasher. So which pipe would that be? There are 2 AC lines running down that side. Do they wear through or fail in a particular place?
     
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  6. Re: Air Con Leak - Low Pressure Side 
    #56
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    Either of them can corrode through the ally where they touch anything, I forgot though, the pressure switch is extremely prone to leaking.
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

    Slava Ukraini
    !


     
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  7. Re: Air Con Leak - Low Pressure Side 
    #57
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    I’ll have to get the system vacuumed and remove the pipes to confirm the condition of them.

    The pressure switch got replaced with genuine OEM part so hopefully it isn’t leaking. The oring was also replaced with new OEM part.
     
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