Turbo squeal

Post by **bucko** » Sat Sep 29, 2007 5:26 pm

Hey,

Was on my way to the shops today and planted my foot in 3rd only to hear some damn awful noise. Its a very loud turbo squeal when under load. I'm getting no boost pressure on the gauge, no turbo lights are coming on, and lacking power.

Any ideas whats up with it before I take it to the experts? Is it safe to drive for a day or two if Iâ€™m easy with it?

Thanks, Bucko.

Post by **RUFF** » Sat Sep 29, 2007 5:49 pm

Sounds like it may have split a silicon joiner hose. Check all the hoses from the turbo to the manifold.

Website · Post by **killalux** » Sat Sep 29, 2007 6:19 pm

mine did that, turbo compressor wheel was rubbing on the housing, basiclly turbo is fucked if it is that

Post by **bigcam** » Sun Sep 30, 2007 2:59 pm

check the easy stuff first. (what ruff said) then if nothing amis there, pull the intake hose off the turbo intake and grab the comp wheel nut and see if you can pull push it axially and if there is any movement the thrust bearing is worn and this allows the comp wheel to 'suck' itself into the comp cover when trying to boost, this uasually makes a hell of a noise and slows the comp wheel down.. if you stopped doing it when you heard then rebuild kit and some time will see it fixed ( ensure the relationship between the exhaust and compressor wheels are maintained or youwil have to balance it again.

rebuld kit for garret is about 120 for toyouta ct20/26 is about 180 ouch!! time to look at a turbo upgrate to a t28 etc.

hope that helps.

Post by **dow50r** » Sun Sep 30, 2007 4:12 pm

alternator belts

Post by **RUFF** » Sun Sep 30, 2007 6:14 pm

dow50r wrote:alternator belts

How will that effect boost?

Post by **bigcam** » Sun Sep 30, 2007 8:43 pm

RUFF wrote:
dow50r wrote:alternator belts
How will that effect boost?

low voltage to your turbozet! derrrr

Post by **Sic Lux** » Sun Sep 30, 2007 9:44 pm

Post by **bucko** » Mon Oct 01, 2007 8:18 pm

I checked the air hoses but nothing wrong there. Its going into Mike Vine Turbochargers tomorrow. Thanks for the help and I'll let ya all know the damage.

Bucko

Post by **Tapage** » Tue Oct 02, 2007 3:35 am

After the horrible sound you get boost ( you said in 3rd but before at 1st and 2nd ? )

Post by **bucko** » Tue Oct 02, 2007 12:01 pm

I just spoke with Mike. Problem is a broken turbine wheel, being rebuilt with Garrat parts. Oh what a feeling!

Post by **chompyd** » Tue Oct 02, 2007 2:15 pm

I could of told you that!!!! sounds grouse just before it goes to sh!t!!!! happened to me twice ...... and yeah 'OH what a feeling!' could have dropped an 8 in by now with the money i've spent on turbos!

Post by **dow50r** » Thu Oct 04, 2007 11:12 am

bucko wrote:I just spoke with Mike. Problem is a broken turbine wheel, being rebuilt with Garrat parts. Oh what a feeling!

Ouch...belts would have been easier to fix

on the bright side, things could have been alot worse if bits got jammed in the combustion zone.

Post by **DanielS** » Fri Oct 05, 2007 1:04 pm

Tapage wrote:After the horrible sound you get boost ( you said in 3rd but before at 1st and 2nd ? )

Sorry for te high jack,

But Tapage, your 60 is looking relly good, nice job

Post by **Tapage** » Sat Oct 06, 2007 12:03 am

DanielS wrote:
Tapage wrote:After the horrible sound you get boost ( you said in 3rd but before at 1st and 2nd ? )
Sorry for te high jack,

But Tapage, your 60 is looking relly good, nice job

Thanks dude .. thanks .. it take a looooooooong time and evolutions.

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