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Discussion Starter · #1 ·
I fitted my l200 intercooler today,while taking the van for a spin I noticed a whistling sound while on full throttle through 2nd to 5th gear,has anyone else had this noise or know what it might be?noticed one hell of a difference after fitting though.
 

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I have Caravelle ACV 2.5 102bhp. so turbo, inbtercooler etc all std.
Its always (from new) had a turbo whistle at appx 2,000 revs although it seems to be creeping up the rev band very slightly. Only whistles on no load so not on accelerate nor foot of the pedal.

Certainly yours sounds more like a bit of a leak somewhere but....

For mine I was told by VW it was common thing but can offer nothing further to your Q
 

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I fitted an intercooler to my 88bhp AJT prior to a remap.

Was a very slight whistle before and now a bit louder since remap at about 2k revs.

I like the sound and there's nowt wrong with the motor.

It may be that the intercooler by cooling the air, (i.e. more dense), is delivering more air to the combustion chamber which is it's job after all.
 

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Discussion Starter · #5 ·
I did think it might be something to do with the air flow,but I panic about these things,especially after I've played about with things.did you notice a lot of difference after the remap? And did you decat as well?
 
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