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I hear a quiet "hiss" coming from under the hood of my 1997 A4 1.8T after I park and leave the car

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Old 01-04-2002, 02:54 AM
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Default I hear a quiet "hiss" coming from under the hood of my 1997 A4 1.8T after I park and leave the car

Is this normal? Does it have anything to do with the turbo cooling off?
Old 01-04-2002, 04:16 AM
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Default It is normal. Are you in a region where your AC compressor is still operating (temps above 41)?

Not to worry it is the AC compressor bleeding off pressure.


Perfectly normal.



HTH,


Peter
Old 01-04-2002, 11:46 AM
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Default Re: It is normal. Are you in a region where your AC compressor is still operating (temps above 41)?

Yup, I live in Honolulu, Hawaii...temperature here is constantly between 68-90.
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