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Author Hissing noise under engine load (acceleration) and on the over run
drunkenfool
Member

Registered: 7th Feb 03
Location: Hereford Drives: Audi R8 V8
User status: Offline
8th Jan 05 at 11:50   View User's Profile U2U Member Reply With Quote

Any ideas what it could be? Sounds to me like air coming from somewhere, its quite loud though. It doesnt do it when you rev the engine with the clutch down, only when its under load, and if you leave the clutch up at quite high revs when the car is decellerating, you can hear it then too. Not sure where it is coming from either, but i think its drivers side of the engine compartment.
ajscorsa
Member

Registered: 30th Apr 02
Location: Perceton, North Ayrshire
User status: Offline
8th Jan 05 at 11:51   View User's Profile U2U Member Reply With Quote

sounds like something to do with the air intake, dunno much bout engines but prob around the throttle body area
modded_corsa
Member

Registered: 9th May 03
Location: Middlesbrough
User status: Offline
8th Jan 05 at 11:54   View User's Profile U2U Member Reply With Quote

could be a vacuum hose either split or not located where it needs to go......have a quick look around where you thik the noise is coming from for a loose hose.....or split hose

 
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