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My Turbo sounds like a blender!!!

R31Nismoid

By R31Nismoid,
in Engines & Forced Induction

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R31Nismoid Grand Master

R31Nismoid

Posted
Posted

I've got a t04e(i think or something near to that) on the side of my RB25.

Last night the turbo just started to whine really loud like a blender with nothing in it. The whine was reasonably high pitched and started when i reached 5000rpm.

The car hits the 13psi it's set to at 4300rpm so when it hits 5000 it's only just making all it's power... but it doesn't have any power at all now.

My Turbo is usually very quiet and i cant hear it at all when on boost. Only the sucking of air and the exhaust so it was noticable straight away that something is a miss.

Any ideas what could be wrong with either the car that's making the turbo whine, or is it the turbo itself?

We checked all the cooler hoses and the intake pipe (mine is metal) is still on.

I've got and ARC cooler.

Thanks guys!

ash

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R31Nismoid Grand Master

R31Nismoid

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mmm... im thinking it is.

but could something else making it do it ???? (unlikely i know)

BTW anyone know how much a rebuild should cost ?

But then, i can get it 'tinkered' with too while it's off... and get some more out of it, this situation might not be all bad

TTT Grand Master

TTT

Posted
Posted

one other thing.

My RB20 turbo was making a noise.

It turned out to be the gasket between the turbo and the manifold (on the block)

it seems that one of my bolts had fallen off and the heat at that corner started to burn out the gasket and eventially melt it and air was escaping through there and whining it's head off.

turbo was in perfect condition.

But if yours has a lot of thrust play (as in back and forth in to the turbo, not side to side), then you may have issues..

Although, a little play is normal.

If it is a gasket, it will set you back less than $50 for the gaskets and who knows how much to pull the turbo off and replace the gasket.

JimX Grand Master

JimX

Posted
Posted

R31Nismoid, if you have to pull the turbo off, you can do it yourself. I've done a how-to in the Maintenance section, do a search. And since I've also got a T04E, you will probably be able to follow it word for word :(

rbs13 Community Regular

rbs13

Posted
Posted

my car done the same thing today.. sh*t my self.. stupid stocko bov caused it.. took it off and blocked up the whole and its all sweet.. check everything else before you go taking it off and getting it rebuilt.. could be a gasket? or a stuffed bov.. :(.. it was a wheezing noise when boost came on?

R31Nismoid Grand Master

R31Nismoid

Posted
  • Author
Posted

mmm... it's gotta come off now..

GRRR... god damit.

benny @ BMT says a bearing. and it's probably hitting the housing (hence the noise) so i could be up for mroe than a standard re-build...

me thinks a bigger housing :(

whistla Proficient

whistla

Posted
Posted

Have u made sure its not the obviouse though?

wouldnt want to be up for the cost of a rebuild only to find out it was a leaky gasket

make sure it gets proven to you that it is the bearing when the turbo is all off

i recently replaced my turbo with an aftermarket item...it was suprisingly easy to do :S

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