Guest Snowman Posted July 27, 2003 Share Posted July 27, 2003 It sounds like I need to replace at least one U-joint on my driveshaft. Is this an easy job to do? Can the joints be replaced, or does the whole shaft need to be replaced? Quote Link to comment Share on other sites More sharing options...
Guest chef tim Posted July 27, 2003 Share Posted July 27, 2003 By design, the whole shaft is made to be replaced. However, if you know of a good drive line shop they should be able to put in removable ones. Tim Quote Link to comment Share on other sites More sharing options...
Guest Frank B Posted July 27, 2003 Share Posted July 27, 2003 They are tack welded in place. A good driveline/4x4 shop can replace them and balance the shaft a hell of a lot chaeper than buying an entire driveshaft! If they allow you to, bring the u-joints, it may be cheaper. If my memory serves me right, NAPA(Precision) u-joint #812 is the one, and its greasable!!!! Quote Link to comment Share on other sites More sharing options...
Guest oobnuker Posted July 27, 2003 Share Posted July 27, 2003 On a similar note: Are the driveshafts the same for Auto vs. Manual? I have an '89 Fulltime 4WD GL Wagon 4EAT that's almost completely dismantled. I'm wondering if the driveshafts will be useable on my '90 Push-Button 4WD Loyale Wagon 5Speed. Quote Link to comment Share on other sites More sharing options...
Guest chef tim Posted July 27, 2003 Share Posted July 27, 2003 I know that between the 3spd AT and a 5spd manual they are the same. I would "rump roast-u-me" that they would still be the same for the 4AT. Tim Quote Link to comment Share on other sites More sharing options...
Guest Hondasucks Posted July 28, 2003 Share Posted July 28, 2003 Yeah, I know on a Chevy for example, that teh drive shaft for a 700R4 (4 speed) is shorter than the one for a Th350 (3 speed) since teh case is longer, *but* those transmissions use a Simpson gear set for the 3 forward gears, (actually, 2 sets.. Both used in 1st, one in second, 3rd is 1:1) and have an additional planetary set for overdrive, but the Subaru uses a Ravigneux gear set, which allows for 4 gears in a smaller space. and since the 3 speeds are also Ravigneaux, I'd assume that both trannies would be the same length. Annother interesting thing that I discovered, is that (apperently ) the Subaru automatic, uses a Jatco valve body, because the valve body in mine is stamped "3N71B" which is the Jatco 3 speed used in, among other things, Nissan pickups. Sooo, if the valve bodies are the same, it's theroetically possible there might be a shift kit out there for a Subaru! :-P Might only be a stage one MAYBE a stage 2, but would still be cool ;-) Quote Link to comment Share on other sites More sharing options...
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