Thread: 03 Boxster S...what is this sound ???
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Old 04-07-2016, 05:48 PM   #4
Smallblock454
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Join Date: Jun 2014
Location: LB, Germany
Posts: 1,507
This noise comes from a bad bleed valve (number 13 on the chart).

Part number from 98 on is 996 201 143 01



Regards, Markus
Last edited by Smallblock454; 04-07-2016 at 05:59 PM.
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