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Little gilled can-sleeve on the tranny end of driveshaft - is it needed?

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Old 01-26-09, 12:54 AM
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Little gilled can-sleeve on the tranny end of driveshaft - is it needed?

Putting a new driveshaft in (mazdatrix one), and it doesn't have the gilled sleeve.

I can't transfer the sleeve over, since it seems to be welded to the old shaft or something... If I install without it, is that fine? What's it for, anyway?
Old 01-26-09, 01:39 AM
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If you are referring to what I think you are then it is there to keep foreign material from getting into the seal area.
Old 01-26-09, 02:22 AM
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This.

Little gilled can-sleeve on the tranny end of driveshaft - is it needed?-driveshaftend.jpg

Should I have swapped that over to the new driveshaft? I tried prying it off the old one, and I felt that if I tried any harder, I'd damage it.
Old 01-26-09, 11:16 AM
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Doc has is it right, to keep thing out of the tranny seal
Old 01-26-09, 11:45 AM
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Driveshaft will survive without it. I suspect that the way it's designed it also keeps the u-joint cool. I'm suprised that the new MT one doesn't have it.
Old 01-26-09, 01:17 PM
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Alright. Thanks.

Yeah, I kinda figured it has something to do with cooling, since it has the gills. I'll contact MT and see what they say.
Old 01-26-09, 01:43 PM
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I have an aftermarket driveshaft and it doesn't have that part either. Been a little over 10 years now without any problems. I'd say not to worry about it.
Old 01-26-09, 06:44 PM
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Good deal.

Also just got a reply from MT, and yeah, it's all proper and the part is not necessary.
Old 01-26-09, 07:33 PM
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Originally Posted by trochoid
Driveshaft will survive without it. I suspect that the way it's designed it also keeps the u-joint cool. I'm suprised that the new MT one doesn't have it.
+1 not needed


the rear main seal on the tranny has an inner and outer lip, so dirt wont reach the innards, contaminatining the tranny oil
Old 01-27-09, 09:09 AM
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my question is why are you wanting to remove it?
Old 01-27-09, 09:46 AM
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He's not really trying to, Dave. His stock shaft has the piece and the aftermarket one does not. He thought that maybe he had to transfer the piece from the old shaft to the new one, but wasn't sure how.
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