R50/R53 :: Hatch Talk (2002-2006) Cooper (R50) and Cooper S (R53) hatchback discussion.

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

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  #1  
Old 08-02-2014, 05:40 PM
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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?
 
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Old 08-02-2014, 05:42 PM
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R53 s
 
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Old 08-02-2014, 07:14 PM
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Have you tried doing pulley mods or anything requiring engine to be moved?
 
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Old 08-02-2014, 11:06 PM
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Just replaced cv axles that's it after that loud *** whistle
 
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Old 08-03-2014, 08:12 PM
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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.
 
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Old 08-04-2014, 11:13 AM
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Yeah it occurred after the axle swap I'm thinking one of the vacuum lines into the intake...
 
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Old 08-04-2014, 12:47 PM
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That too. They're fairly brittle.
 
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Old 08-28-2015, 04:49 PM
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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...
 
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