wierd turbo noise

[51OOO]

hey guys got a r32 gtst think my turbo may be ****ed! makes a whisling noise when it spools up an hits boost????

anything??

[Bo0sT_JuNkY]

take off your dump pipe and have a look at the exhaust wheel make sure its still there with no chips,Also check free play.Check your charge pipes for oil. If all is good then dont worry about it they are a bit noisey when spooling up if you have a pod filter?

[51OOO]

yeah t has an HKS pod which i think contributes

[09ONE_32]

Yeah if you take off your pod, look at the compressor wheel and see if it has been hitting the compressor housing, this will make an extremely weird (and bad) noise. If it is then, you have too much free play in the turbo and you will be looking at a replacement or a rebuild. Also does it blow any smoke? on idle, when you rev it? on boost? if no to all of these questions then no your turbo should be fine.

[sewid]

Dude, its a compressor wheel, its inhaling a lot of air. Its supposed to make some noise and there is a very good chance it will sound like a whistle sometimes.

[Kinks]

Dude, its a compressor wheel, its inhaling a lot of air. Its supposed to make some noise and there is a very good chance it will sound like a whistle sometimes.

:bahaha: so that's why my induction noise is so loud

[cul202]

mine had the std turbs whistle (which is part of the reason why we like turbos, aside from the performance gain) but when the boost came up the whistle turned into a harsh hissing sound.

i took the heat shield off to have a look & discovered that 2 of the 4 bolts holding the turbo to the exhaust manifold were missing! got some more bolts & problem solved.

if its a hissing/squealing sound at all, check for leaks, missing bolts, stuffed gaskets, etc

[BHDave]

RB20 turbs are are noisy bastards to begin with, If it starts making other noises and boost response drops off then id worried.

[51OOO]

runs fine,no drop in boost.so its fairly common?

[hippy]

yeah it sounds much different when running 12psi from 10 psi ... and sounds even better when running higher boost ... i was so surprised how different it sounds ... just a bigger sucking sound from the pod a ... i love it ... too bad i can't run it like that for a long time

[BHDave]

Works fine, nothing to worry about. If you see another 32 at a set off light have a listen, if it's got a pod you'll hear it

[SlowGTS-t]

sad turbo will squeel like a pig on steroids. If it isnt doing this then dont worry.

[BryanB]

yeah mine makes a weird noise nothing to worry about mate

[R31Nismoid]

Is it a metallic sorta noise???

Mine used to suck air, lots off noise, and then one-day it changed to a metallic noise.

and that is the sign of a turbo about to blow.

[51OOO]

nuh juts KOOL whistling noise,i love the sound it makes! i popped the bonnet and reved it and i am pretty sure its juts the pod!? thanks alot for the help very much appreciated!

[Cubes]

When I fitted the cold air intake the turbo became hell noisy.

Even on 0psi you can hear the turbo pssssssssssssshhhhhhing away. When making boost it is quite loud especially out side of the car.

Sounds like the turbo from trucks whistling away but a little more airy ssssssssssssssshhh sounding.

I've had 2 stuffed VG30 turbo's on my RB20. The first one had spots of rust on the bearings which caused you to hear a really really loud wirring noise even on idle. The second had excessive shaft movement where the compressor was touching the housing. The turbo was strange at first as some times it would make the high pitch squeel from the compressor touching the housing then other times it wouldn't until a couple of days later it was constantly there when making boost over 7psi.