hissing noise

Reply Subscribe

Thread Tools

Search this Thread

Apr 19, 2005 | 10:10 AM

s4willburnya

Thread Starter

Junior Member

Joined: Feb 2005

Posts: 246

Likes: 0

hissing noise

I have been hearing a faint hissing noise coming from under the hood when I turn my car off (its louder when I drive it hard), and its beginning to worry me. Has anyone ever had this happen to them, and if so, what could the problem be?

Apr 19, 2005 | 10:28 AM

SpfldS4

AudiWorld Super User

Joined: Apr 2002

Posts: 2,850

Likes: 0

Boost leak, you need to pressure test the car and find the leak.

Apr 19, 2005 | 12:08 PM

s4willburnya

Thread Starter

Junior Member

Joined: Feb 2005

Posts: 246

Likes: 0

Re: Boost leak, you need to pressure test the car and find the leak.

Thanks for the fast response, SpfldS4. You seem pretty sure that that is my problem... is there anything else it could possibly be? It seems to be coming from the top left area of the engine compartment (when the hood it up and I am looking at it from the front). Once I find the leak, how do I repair it? Or do you suggest I just take it to an audi dealership?

Apr 19, 2005 | 02:33 PM

VandyS4

AudiWorld Super User

Joined: Dec 2003

Posts: 6,905

Likes: 0

It is 99.9% definitely a boost leak. Very common for our cars.

When you find it you can do a couple things. If under warranty, take it in and get it fixed. If you want to replace the faulty hose with a reinforced solution, call up a tuner like AWE-tuning.com and order the hose from them.