Jay a4

A4 2007 2.0tdi blown intercooler

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2007 A4 2.0tdi 140 multitronic , 87k .Had the car around a month and the intercooler has blown the seal out at the top , allowing air to escape under pressure . Fitten new intercooler today , but the damaged one taken out isn't an original part . What could cause the build up in pressure to cause this ? , there is also a slight slight whistle (siren noise) when turbo is active is this something to worry about ? Or normal ? 

Any advise would be appreciated!!

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Slight whistle.....HMMMM........Could that be the turbo?

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2.0 TDI turbo gone sounds exactly like a siren.  I've had two go on previous cars of mine.

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On 16/01/2017 at 9:36 AM, Mook said:

2.0 TDI turbo gone sounds exactly like a siren.  I've had two go on previous cars of mine.

Ooops.

D'oh!!!

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