Gen 3 V8 hissing noise

[bails]

Hello everyone i have a Vt gen3 V8 which has some kind of hissing noise, seems to be coming from the front, recently had hoses replaced and there all good, when driving it makes a noise that sounds like its sucking air, can someone help please, this is getting annoying.

 

[.:TRIXTR:.]

you only hear it up to about 3,000rpm?
get used to it lol
its going to be hard to find the problem and it dowesnt make a difference to your cars performance at all.
i have the same problem ive given up, let me know if u have any luck..

 

[EXCESSV]

check all the vacumn hoses around the throttle body.
the purge hose is common. might have knocked it off or not put on properly...

 

[minux]

Sure you just dont have a different air filter with an airbox mod?

 

[bails]

All hoses are on, im thinking it's the throttle body it might need cleaning inside, but im no mechanic, what do you think?

 

[ProphetVX]

All hoses are on, im thinking it's the throttle body it might need cleaning inside, but im no mechanic, what do you think?

The throttle body wouldn't cause a hissing noise because it was dirty...

Either you have a leak in a hose, your intake is functioning very well and making the sound, or your airbox lid is loose.

 

[bails]

Noise comes directly on top of belt pulley

Okay i put my ear up against it, seems to come directly from belt pulley next to radiator hose, this has got me stumped, anyone know?:bang: