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Old Dec 16, 2007 | 09:10 AM
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Turbo Check

After removing my turbo I ckecked end play and it was in spec but seems to have a lot of up and down play. The manual I have dose not give specs for radial play. Any idea what it can be???
 
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Old Dec 16, 2007 | 09:27 AM
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As long as the turbine and compressor wheels don't touch the housing when you check radial play, it's alright. There needs to be some movement there because the shaft floats in oil when the engine is running.
 
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Old Dec 16, 2007 | 09:33 AM
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Not hitting. Thanks. How easy should it spin? When I spin it with my fingers it comes to a stop pretty fast. Is this just drag from the seals?
 
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Old Dec 16, 2007 | 09:36 AM
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Mine on my Dodge did that, and it actually made contact with the housing. You could get a rebuild kit, and that should take care of most of it, unless the shaft is worn too.
 
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Old Dec 16, 2007 | 09:43 AM
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Rebuild?

Would it need a rebuild if its not hitting? The truck has 112,000 miles on it.
 
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Old Dec 16, 2007 | 09:53 AM
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There are specs for radial play, and a good diesel shop or turbo shop should be able to tell you.
 
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Old Dec 16, 2007 | 10:18 AM
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Originally Posted by scatgo
Would it need a rebuild if its not hitting? The truck has 112,000 miles on it.
not sure about '94 turbos but my 2000 the worst play was from I think 7 oclock to 1 oclock position or the oposite
it had enough wear at 60k that it didn't work good and at about 114k started hitting the housing,so yes at 112k it could very well need rebuilding
 
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Old Jan 13, 2008 | 08:30 PM
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any side play indicates it needs a rebuild. save lots of other problems and get a kit into it now.
 
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Old Jan 14, 2008 | 12:18 AM
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Its done. But guess what. The rebuild did nothing for side play. It took the end play down to .001 but the worst sideplay was .018 TIR. And after some looking I just cant seem to get someone to peg dow the sideplay specs for my turbo. You can get oversize bearings to bring the play down to specs but what the f!@k are they!!!!!! I did the rebuild, its in the truck, every thing seems to be ok, but it bugs the crap out of me to know everything may not be perfect. And we all know what will happen if the wheel hits the housing. $$$$$$$$$$$$$$$$$

Wish me luck............................
 

Last edited by scatgo; Jan 14, 2008 at 12:28 AM.
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Old Jan 14, 2008 | 09:39 AM
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Well, not necessarily "$$$$$$$", it'll just chew up the compressor housing most likely.

At least, that's what happened on my Thunderbird.
 
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Old Jan 14, 2008 | 01:13 PM
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Originally Posted by oltrucker
any side play indicates it needs a rebuild. save lots of other problems and get a kit into it now.
If so, then even new ones need a rebuild.
 
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Old Jan 14, 2008 | 02:56 PM
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Say, are you checking for play with oil in the housing?

Put some oil in the feed hole, spin the shaft a few times, then check your play.
 
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Old Jan 15, 2008 | 04:56 PM
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Yea checked with oil.
 
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