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Date:         Fri, 4 Jun 1999 14:07:46 -0400
Reply-To:     EMZ <vw4x4@FYI.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         EMZ <vw4x4@FYI.NET>
Subject:      Re: Syncro driveshaft problems (maybe?)
Comments: To: Gary E Thaxter <gthaxter@DGTDESIGN.COM>
In-Reply-To:  <l03020901b37da9cf0fcb@[142.51.226.6]>
Content-Type: TEXT/PLAIN; charset=US-ASCII

The front diff. can also cause this vibration problems. What happens is the seals blow, and the 2 different fluids get mixed. Once stopped for any length of time they seperate. On start up the different weights of the fluids cause a vibration until the fluids mix again. This also means your diff. is dead.

Eric 86-VW4x4 vw4x4@fyi.net 72-240z Pittsburgh, PA USA 1936-Chrysler

On Fri, 4 Jun 1999, Gary E Thaxter wrote:

> >2) I've read about the mixed results people have had with rebuilt > >driveshafts - it seems like only Mark >Drillock has had a positive > >experience (Oceanside Driveline, (760)439-9718). I'm wondering if he's the > >only >one, of if his has gone bad as well. And if I put a rebuilt on the > >van and the vibrations come back, how >could I be sure that the driveshaft > >is to blame and not some other front drivetrain component? > > I tried the local rebuilder with no luck. The vibrations were still there. > I thought that maybe there was something else wrong (front diff or wheel > bearings or driveaxles) I later found out that the driveshaft place I went > too was not the best. > > I sent the shaft out to another place, but have not reinstalled it yet. I > had to change one front wheel bearing, so I got my axle rebuilt while I had > it out. I am going to do the other axle and bearing soon. Also, when I > loosened the diff mounts, one of the bolts broke and my mount was pretty > rotten. I ordered new mounts, so while I have the diff out, I am going to > get someone to open it and check bearings etc, and it needs a seal. > > I will have the whole front end redone (wheel bearings, driveaxles, diff > mounts, diff bearings checked, and driveshaft balanced with new universals) > before I put my driveshaft back on. If it still vibrates, I will have a > 1986 syncro GL for sale (with new front end). > > I'll let you know what happens and if it really is worth it to get the > driveshaft redone, or if you should maybe try genuine VW gold plated > spanking new, or maybe check other front end stuff. I'll have everything > done by month's end, I'll get back to you then. > > >My van does drive very nicely w/o the driveshaft, but I bought a syncro > >because I wanted the 4WD, so I'd really like to get it fixed at some > >point. > > I know what you mean. Last weekend we took the syncro camping and I found > some new trails. I missed a chance to do a river crossing and would have > had some really good picture opportunities. Good pictures on the bikes, > but a van in the river pic would be nice to add to the scrapbook. Too, I > missed the mud drag-race last year because of driveshaft/vibration probs. > Not again this year! I'm sure I can take the 4/6 cyl. class. . . > > Gary Thaxter >


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