Think turbo is dead!
19 April 2009, 05:52 PM
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Think turbo is dead!
Went for a nice drive today and when I pulled away there was a really loud whining noise and no boost. All the hoses are still on as far as I can tell and there is no smoke when revving just a loud whiring whistling whining noise lol. Car still pulls but no boost and
19 April 2009, 06:22 PM
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MOV00852.flv video by chris696969 - Photobucket
You can just here it before the startlet decided to show off lol. Dont no who he is but it did sound nice
You can just here it before the startlet decided to show off lol. Dont no who he is but it did sound nice
19 April 2009, 06:52 PM
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All hoses are deffinatly on. the noise once reved comes from the turbo / downpipe. How can i check the wastegate? would a knackered actuator cause this?
Last edited by millzy555; 19 April 2009 at 06:53 PM.
20 April 2009, 07:13 AM
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That sounds very similar to mine mate! Turned out it was my turbo...!
I wouldn't drive it much more and if you do, I wouldn't boost until checked... The blades could have ripped up like mine and there's only one way for them to go...
http://img443.imageshack.us/img443/4031/dsc00002wb9.jpg
I wouldn't drive it much more and if you do, I wouldn't boost until checked... The blades could have ripped up like mine and there's only one way for them to go...
http://img443.imageshack.us/img443/4031/dsc00002wb9.jpg
Last edited by scooby-wrx; 20 April 2009 at 07:16 AM.
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20 April 2009, 09:56 AM
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sounds just like my mates Tommi Mak when his turbo gave up..... the shaft had a little too much play and he clipped his blades resulting i nthe sound you are getting 
21 April 2009, 10:08 AM
#12
How old/what mileage is the car?
Prob just the original turbo and natural wear on the blades. Prob the thrust bearing was slightly 'loose' causing minute compressor wheel contact against the side of the housing. Is there some noticeable side-to-side play when you wiggle the compressor wheel's shaft 'nose'?
However, I'd check that your intake system is totally airtight i.e. no splits/holes upstream of the turbo intake. When the compressor wheel is spinning, microscopic particles can act like 'bullets' against the compressor blades when they are sucked in at high speed.
Prob just the original turbo and natural wear on the blades. Prob the thrust bearing was slightly 'loose' causing minute compressor wheel contact against the side of the housing. Is there some noticeable side-to-side play when you wiggle the compressor wheel's shaft 'nose'?
However, I'd check that your intake system is totally airtight i.e. no splits/holes upstream of the turbo intake. When the compressor wheel is spinning, microscopic particles can act like 'bullets' against the compressor blades when they are sucked in at high speed.
21 April 2009, 12:09 PM
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Cheers for that. I have checked all the pipes but yes it is the orriginal turbo. Just hope theblades havnt gone into the engine as I can't find anything. Guess its just hope and pray
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