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Mk7 Heating/Air Con mind of its own

Carracer12
Carracer12
in Ford Fiesta Club

Featured Replies

Hi,

So I made a thread about this a while ago, and got some good suggestions but I now have more information.

I can turn on my heating or air conditioning and it will work fine for anywhere between 1 and 5 minutes but then there's a clunk sound from inside the dash and the air conditioning becomes hot air. It often happens as I accelerate but not always. Heating is similar where it'll just decide to go cold after a while.

With the hot weather the UK's been having recently, no A/C isn't much fun so I'd like to get this sorted if possible!

Thanks!

  • Quote
    • 1 year later...


    I have exactly the same problem and don't know what to do with it. Any suggestions?

  • Quote

    Usually that's the aircon having low pressure, and switching itself off to prevent damage to the compressor. I'm guessing you have a small leak somewhere.

  • Quote
    On 9/25/2021 at 4:14 PM, Luke4efc said:

    Usually that's the aircon having low pressure, and switching itself off to prevent damage to the compressor. I'm guessing you have a small leak somewhere.

    Thank you, will check the pressure.

  • Quote

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