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Nut in the turbo, nut in the turbo, hi ho the dairy oh, a nut is in the turbo... 444-544

posted by  twombo on  Fri Nov 4 03:44 CST 2005
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last visit: Wed Oct 8 17:27 CST 2014
[RELATED]

"B"

Is the thing still loose. There should be NO axial play in the the turbo whatsoever. You may have lost a seal/ bearing in the turbo center section. The turbo as you know, mounts compressor and turbine blades on a common shaft an bearing assembly. If you lose a bearing the shaft/bearing clearances can really open up killing the seal and end up with oil in the turbine (hot) section (making smoke out the tailpipe under boost) and in the compressor as well. Bearing failure can also induce shaking fasteners loose as well, I guess.

All turbo rotating components are extremely well balanced due to the extreme operating speeds (100K as i recall) and any damage or distortion can be fatal in short order.

Good chance it was just it's time... actually, 15 years is a pretty long life in "turbo years".

Good luck

Mike






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