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Date:         Mon, 12 Jan 2009 17:05:43 -0800
Reply-To:     Gary Bawden <goldfieldgary@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Gary Bawden <goldfieldgary@GMAIL.COM>
Subject:      Re: CV joint reversal?
Content-Type: text/plain; charset=ISO-8859-1

Hmm... what about the amount of axial "bend", in other words, does the CV joint up at the transaxle actually run at a more acute angle than the one at the wheel? Seems as if they would have to be the same, but when I'm under there, it seems as if the one at the transaxle runs at more of an angle than the other one. Appearances deceiving, I guess?

So, after trying the pencil experiment, I "get it"! Thanks, David! I'll second the motion - - you get a gold star!

Of course, after cleaning and lubing the same CV joints, then next year when it snows again and I have to wait for weeks to get to it, I'll probably kick myself for not just putting in new ones! Or maybe by then I'll have a garage to work in... :0)

Thanks,

Gary

> Date: Mon, 12 Jan 2009 14:03:06 -0800 > From: Scott Daniel - Turbovans <scottdaniel@TURBOVANS.COM> > Subject: Re: CV joint reversal? > > it's true that they wear one way from the balls pushing into the center part > , and if you make them drive the other way ......

> - Which you could only do on a manual trans van with identical length rear > axles. Auto trans has one short and one long axle, so not easily done..... > IF that is the solution. > I will look forward to enlightened discussion on this very vanagon matter. > Scott

> > Date: Mon, 12 Jan 2009 16:03:58 -0600 > From: Jim Felder <jim.felder@GMAIL.COM> > Subject: Re: CV joint reversal? > > I don't think it would matter, but swapping the axle end for end would > be the simplest and cleanest way. It wouldn't get your joints cleaned > and lubed, though. IIRC, the groove machined in the puck goes to the > outside, so any way that ended up correct, you're OK. > > I'm not advocating doing this, just commenting on how to do it. To me, > these joints get some of their wear under braking, and some of their > wear under acceleration, so who knows what good swapping them would > do? > > Jim

> Ayuh. It's a head-bender, so solve it graphically. Wrap two paper > slips around the ends of a pencil, use one hand to drive it and the > other to resist, mark arrows on each in the direction of the force > your hand is exerting. > > Flip the pencil end-for-end -- no change. Use your other hand to > drive the pencil (with or without flipping it -- now you're working > against the arrows, so swapping side-to-side works if you can. Now > flip the paper slips around on the pencil -- now you're pushing with > the arrows again, so that works too. > > So...end-for-end does nothing. Flipping the joints on the shaft and > replacing it on same side works. Swapping the shaft to the other > side works. Flipping joints *and* swapping to the other side negates > the effect. > > :-) > d


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