the noise is on constant it only stops when i turn on the econ button, i have just had a look under the bonnet and you can see the wheel on the end of the compressor spinning with the econ switched off, i am assuming the compressor is the unit which sits at the front og the engine and looks...
Hi all my 2001 A3 1.8T has a annoying loud noise whenever I turn on the heating be it cool or hot air, I am assuming my compressor may be on it's way out as whenever i press the Econ button the noise completly stops, as I understand the Econ button turns off the compressor and lets normal air...
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