[Vwdiesel] Re: Oil in CV Boot

[Shawn Wright]

Check that the transmission vent is not plugged, causing it to build up pressure. The 
vent is located below the clutch cable mount area. I'm not sure sure how one would 
check, but perhaps remove the filler plug, then force air (not too much, maybe just a 
hose and your mouth, rather than compressed air) into the case and listen/feel for it 
escaping at the vent. I've not had one of these seals go yet, even on my high miles 
tranny... (480k km)

On 8 Jun 2004 at 9:23, kevin.jack at primus.ca <kevin.jack at primus.ca> wrote:

> Nate great instructions...damn...wish I had those last weekend..... 
> 
> Would have saved me taking the flange off. Bentley calls that seal a
> dust cap, thats what confused me. 
> 
> Hagar, even though the tranny was not dry, with about 500ml or more fluid in the
> cv boot, it was definately low. It destroyed the cv joint. 
> 
> After chatting with Sandy Cameron, Im kinda worried that I have a problem 
> causing this seal to be destroyed. Specifically, incorrect front end 
> geometry. The car was in an accident on the drivers front corner. It has 
> been aligned since, but maybe the geometry has changed slightly. 
> 
> I had already removed the flange and the final drive seal. I thought that 
> that was the problem. I made a homemade tool to compress the spring....yes it
> will be a pain in the ass getting the cclip back on. 
> 
> Nate, I was lucky. The flange is in great shape. No groove. Seal went on 
> nicely. 
> 
> Only thing bothering me is that I think this is a patch, not a solution.... 
> 
> Nate Wall writes: 
> 
> > The seal that failed is the cap seal that fits over
> > the  inner area in the drive flange (covers the "C"
> > clip that holds the drive flange in). Most folks are
> > unaware this seal exists. It is NOT the drive flange
> > seal. That seal is tapped into the transaxle case and
> > is visable and can only be replaced if the drive axle
> > flange is removed. The seal that is leaking in your
> > case is replaced w/ the drive flange installed. 
> > 
> > Yours may just have come loose. Its a press fit
> > (tapped in w/ a socket and a mallet) and if its not
> > put in square, it will distort and pop out later.
> > Remove the drive axle on that side. Clean all the
> > grease out of the drive axle flange. Take a sharp
> > screwdriver and drive it straight through the oil cap
> > seal and pry it out. Tap in a new seal using an
> > appropriate sized socket, extension and hammer. TAP IT
> > IN STRAIGHT! (I think this is a VW dealer only item)
> > Repack the drive flange and inner CV joint. Replace
> > drive axle. This is not a bad job. 
> > 
> > Although the gear oil has high pressure additives, it
> > will not lube the CV joint properly. Eventually the
> > joint balls will gall if not taken care of. 
> > 
> > --Nate
> > --Nate
> > --- kevin.jack at primus.ca wrote:
> >> I would love to tell you that the tranny was full of
> >> lube, but I guess it 
> >> was short whatever amount was in the cv boot. Ill
> >> drain and change the 
> >> tranny fluid.  
> >> 
> >> The reason I worry is that the CV joint is finished.
> >> I am going to change 
> >> the seals while Im in there.  
> >> 
> >> Im just trying to figure which ones are the right
> >> ones to change.  
> >> 
> >> I just hope putting it all back together with my
> >> homemade tools goes well :)  
> >> 
> >> Thanks for the help. Tonight, Ill get all my
> >> questions in order.  
> >> 
> >>   
> >> 
> >> H.Hagar writes:  
> >> 
> >> > inner cv boot was full of gear oil   Could this
> >> lack of oil have caused any damage?  
> >> > 
> >> > Kevin  could you explain a bit more ? 
> >> > 
> >> > A dry joint would have been worse IMHO.      
> >> Anyway tell us that your tranney is full
> >> > of lube. 
> >> > 
> >> > How many miles on tranney  ----?       I had one
> >> here that was full of oil ----I never
> >> > worried about it -- and it still works ----no
> >> humming.      Those noises can be PIA stuff. 
> >> > 
> >> > In the archives you can find some nifty tools
> >> (made at home) and how to change seal. 
> >> > 
> >> > If it does not drip oil to the outside ----- why
> >> worry ? .   At least you know that spline is
> >> > getting lube.And the balls are lubricated. 
> >> > 
> >> > question :   Is the plastic or rubber plug in
> >> place ?  ---mine are all green the way 
> >> > I remember. (dust cap) 
> >> > 
> >> > Hagar.
> >> > _______________________________________________
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> >> > http://www.audifans.com/mailman/listinfo/vwdiesel 
> >> > 
> >>   
> >> 
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> > 
> > 
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--
Shawn Wright
http://Zuiko.sls.bc.ca/swright
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