mbarjbar Posted March 23, 2010 Share #1 Posted March 23, 2010 Has anyone serviced the the two driveshaft sliding sections? Is it difficult? Can it be done without taking off the u-joint? My u-joints seem fine but the in and out motion seems stiff. The manual says to service every 50,000 miles.Mike Link to comment Share on other sites More sharing options...
moogrr Posted March 23, 2010 Share #2 Posted March 23, 2010 I just disassembled/reassembled mine. One was bad - ripped boot and the balls/races were pitted badly. I replaced this with a donor shaft. The donor shaft had a pressed-in convex plug in the big end, however, my originals had a flat plug secured by a snap ring. No difference. You could take them both completely apart without removing the u-joints, I did to service the u-joints anyway. You can do it without harming the boots but the boot clamps will need to be replaced. All my u-joints were original and all were as good as new so I just cleaned them and repacked them with grease. Any EP grease will do although synthetic is cheap and works great. Grease fittings are not needed.To "rebuild" the sliding part I would say snap ring pliers and a good vise is all that is required, other than basic tools. A plastic or dead blow hammer wouldn't hurt. One of mine was tough to pull apart. As far as parts, all you need is good grease and two boot clamps. Pull them good and tight, and secure them with a sharp center punch or drill bit. Cut off excess with diagonal cutters.Put EVERYTHING together exactly as it was taken apart. Clean everything.It really is not that difficult of a job, but a lot of force can be required.If you have a big C-clamp, you could do the u-joints as well.I could post a few pics if you like.Ted. Link to comment Share on other sites More sharing options...
mbarjbar Posted March 28, 2010 Author Share #3 Posted March 28, 2010 (edited) Moogrr,Great post. I have finally undertaken this job. Just as you described. Here is an early picture. When it is all done, I'll post the final result.Mike Edited March 28, 2010 by mbarjbar forgot picture!! Link to comment Share on other sites More sharing options...
mbarjbar Posted March 28, 2010 Author Share #4 Posted March 28, 2010 Here are some pics. Link to comment Share on other sites More sharing options...
mbarjbar Posted April 2, 2010 Author Share #5 Posted April 2, 2010 OK, I did it! What a bitch to get those balls and spacers back in! Here is the finished piece. Mike Link to comment Share on other sites More sharing options...
tlorber Posted April 2, 2010 Share #6 Posted April 2, 2010 Nice pics-shameless plug for the Valvoline. Link to comment Share on other sites More sharing options...
mbarjbar Posted April 3, 2010 Author Share #7 Posted April 3, 2010 Thanks, I like the Valvoline, except that it is gray-black. I am going to tackle the other one. This time I think I will try to replace the balls and spacers to the groove they came from.Mike Link to comment Share on other sites More sharing options...
Walter Moore Posted April 3, 2010 Share #8 Posted April 3, 2010 Not to be picky, but isn't that technically a half shaft, not a drive shaft? Link to comment Share on other sites More sharing options...
mbarjbar Posted April 5, 2010 Author Share #9 Posted April 5, 2010 Well, Datsun called what we and the English would call the half-shafts, the drive shafts. What we call the drive shaft, is the propeller shaft to Datsun. Mike Link to comment Share on other sites More sharing options...
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