Grinding/scraping noise from turbo(video)
 

Im prepared for thee worst so lay it on me. Is it taking a shit?


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FYI, there's no more than the normal amount of shaft play.
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Yeah... That's not right... Sounds like the compressor wheel is all over the inlet. Any marks?

Nope, no marks or more than normal shaft play.
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Sounds like a rebuild in your immediate future.

Have anything to do with this ad?https://www.miataturbo.net/forum/t31387/:giggle: It got jealous becuase it heard you were trying to step out on it so it threw a fit.

Have you checked the backside of the turbo to see what it looks like?

Not yet, i will tomorrow after work though.
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A bearing doesn't really have to have play to be worn out, or damaged. Sounds like rebuild time, or a new turbo.

Woah dude whats the sound of death. Seeing the oil on the compressor inlet is all the more convincing.

can you do this:

Make it rub against the sides? NO. If I spin it though it does make noise.
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Wheres the video of your turbo that sounded like an air raid siren?

this one:

I would have kept it, that sounds AWSOME!

wasnt very fast.

How can u rebuild a BB turbo?

Supposedly this shop in Miami rebuilds them, but for $250-300 I'm not sure it's even worth it.
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Garrett has this nefty lil program where they well let you trade out the center section for a new one
TurboByGarrett.com - BB Service

and

http://www.turbobygarrett.com/turbob...ce_program.pdf

and the place I found it at

For all of you with BLOWN GT35r Turbo's! GREAT DEAL! - RX7Club.com (fig had to give credit to where I found it at)

Intresting, I'll look into it. Thanks.
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I dunno, I figured they could be. Seems like Ive seen them rebuilt. Surely the BB assembly is removable from the CHRA somehow... isnt it just a cartridge pressed in or something? Cant say Ive seen a BB turbo apart, plenty of sleeves though.