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Author Strange sound when on boost
Neo
Member

Registered: 20th Feb 07
Location: Essex
User status: Offline
2nd May 13 at 08:28   View User's Profile U2U Member Reply With Quote

Happened since monday/tuesday. Sometimes when on boost the car sounds like a kazoo

I've checked for play in the turbo and its perfectly fine, no movement at all and spins freely, nice and oily so no problems there. Was really bad and happening in every gear until last night when I tightened the boost pipes and it seems to have slightly remedied the issue (much quieter and now only seems to happen in 4th or 5th). It happens more when the engine is cold, so I've been driving the car up to about 2k rpm until warm and then very rarely any noise.

So i'm assuming, and hoping, its just a boost leak somewhere, any ways to find it short of ripping the whole system out and putting it back together being thorough ? Luckily its the BH weekend so can pull everything off, however don't want to be wasting time if there is an easy fix.
Munchie
Member

Registered: 17th Jul 01
Location: I swap goats for mobile phones
User status: Offline
2nd May 13 at 09:38   View User's Profile U2U Member Reply With Quote

http://www.popularmechanics.com/cars/how-to/maintenance/how-to-find-a-vacuum-leak
Neo
Member

Registered: 20th Feb 07
Location: Essex
User status: Offline
2nd May 13 at 13:11   View User's Profile U2U Member Reply With Quote

Thanks, although I don't have a smoke machine

I'll start by just removing and replacing the easier pipework and see if I can find it, then move onto Carb cleaner


 
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