208 rear output seal - The 1947 - Present Chevrolet & GMC Truck Message Board Network

setandreel · 01-23-2005, 02:02 PM

Hey All
need some help, my 87 silvy is leaking at the rear transfer case where the drive shaft yoke goes in, now I have replaced the seal 3 times in a month, still leaks? yoke has no scaring I can see or feel, all replacment seals are NAPA someone told me of a speedy seal? Anyone heard of this seal. Or maybe I need to replace the yoke (sure hope not).
Thank you in advance
Mike

1972 · 01-23-2005, 04:50 PM

With the driveshaft installed grab it up by the u-joint and try to move it up and down to see if it is sloppy on the output shaft. If there is excessive play it could pull away from the seal as you drive and leak out.

**kwmech** · 01-23-2005, 06:28 PM

If you have any amount of lift the bushing in the tail cone will wear out prematurely, thus letting the slip part of the shaft to move more than it should.
Or is you wnat to spend some money you could get a slip yoke eliminator kit from JB conversions and never worry about it again. I will be alot stronger also.

1972 · 01-27-2005, 12:43 AM

Quote:

Originally Posted by kwmech

If you have any amount of lift the bushing in the tail cone will wear out prematurely, thus letting the slip part of the shaft to move more than it should.
Or is you wnat to spend some money you could get a slip yoke eliminator kit from JB conversions and never worry about it again. I will be alot stronger also.

SYE for a 208?

01-23-2005, 02:02 PM	#1
setandreel Registered User Join Date: May 2004 Location: Concord N.C. Posts: 115	208 rear output seal Hey All need some help, my 87 silvy is leaking at the rear transfer case where the drive shaft yoke goes in, now I have replaced the seal 3 times in a month, still leaks? yoke has no scaring I can see or feel, all replacment seals are NAPA someone told me of a speedy seal? Anyone heard of this seal. Or maybe I need to replace the yoke (sure hope not). Thank you in advance Mike

01-23-2005, 06:28 PM	#3
kwmech Senior Member Join Date: Mar 2003 Location: Colfax-California Posts: 8,713	If you have any amount of lift the bushing in the tail cone will wear out prematurely, thus letting the slip part of the shaft to move more than it should. Or is you wnat to spend some money you could get a slip yoke eliminator kit from JB conversions and never worry about it again. I will be alot stronger also. Last edited by kwmech; 01-23-2005 at 06:30 PM.

01-23-2005, 04:50 PM	#2
1972 Majician Join Date: Nov 2004 Location: In the Middle Posts: 329	With the driveshaft installed grab it up by the u-joint and try to move it up and down to see if it is sloppy on the output shaft. If there is excessive play it could pull away from the seal as you drive and leak out.



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