R50/53 loud whistle at idle seems like a vacuum leak

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Aug 2, 2014 | 05:40 PM

SouthJ

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loud whistle at idle seems like a vacuum leak

Have a loud whistle at idle and rough idle idling up to 2000 Rpms and my ac Is out. Has anyone else experienced this?

Aug 2, 2014 | 05:42 PM

SouthJ

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R53 s

Aug 2, 2014 | 07:14 PM

DATBILLO

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From: Delaware

Have you tried doing pulley mods or anything requiring engine to be moved?

Aug 2, 2014 | 11:06 PM

SouthJ

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Just replaced cv axles that's it after that loud *** whistle

Aug 3, 2014 | 08:12 PM

DATBILLO

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From: Delaware

The whistle came before or after the axles? You may have bumped a boot on the IC. If not that then a pulley check is in order.

Aug 4, 2014 | 11:13 AM

SouthJ

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Yeah it occurred after the axle swap I'm thinking one of the vacuum lines into the intake...

Aug 4, 2014 | 12:47 PM

DATBILLO

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From: Delaware

That too. They're fairly brittle.

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Aug 28, 2015 | 04:49 PM

MeBoosta

2nd Gear

Joined: May 2012

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From: Boston

OP, did you happen to figure this out? I ripped the Boot on my CV shaft when it popped out of place during my Coilover install.. I made a few other changes on the car along the way, but I'm getting the same symptoms.. No AC on my either. Very strange...