Engine whistle

[mr.ots 10]

I've noticed recently that when I accelerate hard in lower gears (1st and 2nd mostly) there is a whistle which sounds like its coming from the front of the car somewhere and possibly an engine noise.

 

Any ideas?

[dazzyvr6 0]

yep,mine does it/did it think its normal on the vr6

[veeDuB_Rado 0]

Well on my 16v does it, because it has a drilled airbox

[Kevin Bacon 5]

There is an underlying alternator whine on VRs but keep an eye on it because if the whine gets louder, it could be the belt tensioner pulley's bearing dying.

[h100vw 0]

Is it a 16V, if the cam belt is too tight they have strange 'zing' to them.

Gavin

[mr.ots 10]

Is it a 16V, if the cam belt is too tight they have strange 'zing' to them.

Gavin

It's a vr6

 

I don't notice it at high revs in 3rd gear and above.

 

I'll see if I can get it to whistle at standstill (haven't tried that yet) and check the alternator Kev.

[ben16v 0]

mine`s the same thought it was water pump or something

 

 

edit...

 

cambelt to tight :shock: , slacken of the tensioner then????

[A20 LEE 0]

i changed the throttle body on mine last year and the whistle disappeared. I'd guess its caused by an air leak, probably wear related but never thought to investigate it as i also thought it was normal.

[Kevin Bacon 5]

Mr.Ots, I notice my alternator most in 2nd when booting it from about 2000 rpm. There's a very faint whine and only lasts for a second, maybe less but I know it's the alt, which is new incidentally. As the rpm rises, the pitch and volume reduce.

 

I would check the belt tensioner bearing to outrule that. Slacken the belt and spin the plastic pulley by hand. It should be smooth with no lateral play.

[dazzyvr6 0]

mine was more evident when i had the induction filter on and only happened at low revs

[mr.ots 10]

Thanks for the advice guys.