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914World.com _ 914World Garage _ beetle CV flange weirdness

Posted by: mskala Feb 21 2011, 02:45 PM

A while back I bought the modified type 1 CV's. Just getting to think
about installing. Look at the pic where the outside is machined down.
(This is not the modification for 914, this picture is from online of normal
type1 CV.)
Attached Image
I can't really show it with a picture, but the flange is built to the larger
diameter, so it doesn't match with the machined area. This seems
stupid. I guess when bolted down it should still retain the grease,
but why is it like this?

Posted by: Cap'n Krusty Feb 21 2011, 03:06 PM

The boot goes on the other end of the joint. The cut down portion goes against the flange of the stub axle. The Cap'n

Posted by: mskala Feb 21 2011, 03:22 PM

But the other side has the recess for the gasket.

QUOTE(Cap'n Krusty @ Feb 21 2011, 04:06 PM) *

The boot goes on the other end of the joint. The cut down portion goes against the flange of the stub axle. The Cap'n


Posted by: Cap'n Krusty Feb 21 2011, 03:30 PM

Modded CV parts are outside my field of expertise, and I apologize for the apparently erroneous answer. Where's you get the parts?

The Cap'n

Posted by: McMark Feb 21 2011, 03:55 PM

The modified version is installed 'backwards' from the Bug orientation. If you're worried about the boots leaking, you can try some sort of sealant. They've all worked fine for me.

Posted by: r_towle Feb 21 2011, 04:34 PM

put the gasket on the boot side and sealant on the stub axle side.
The modification is so the CV will fit snug in the stub axle...not the boot.

Also, pick up some paint gun cleaning brushes....small wire brushes...and super clean the threads with the brushes, cloths, brakclean...get them all metal, then use locktite on the threads.

Rich

Posted by: mskala Feb 21 2011, 08:03 PM

Thanks all, I'm pretty sure these are the pmbperformance.com
ones. I'm going with the McMark way for installation, in fact I
don't think it's even possible to do otherwise.

Not only would the gasket have huge overhang on the thin side,
also the pin holes are only drilled out on the thick side.

Posted by: McMark Feb 21 2011, 09:23 PM

QUOTE(r_towle @ Feb 21 2011, 02:34 PM) *

l, then use locktite on the threads.

Rich

ACK! No thanks. tongue.gif

Posted by: mskala Feb 22 2011, 04:05 PM

I have never had one loosen as long as a new Schnorr washer was used
and most of the grease kept out of the holes.

QUOTE(McMark @ Feb 21 2011, 10:23 PM) *

QUOTE(r_towle @ Feb 21 2011, 02:34 PM) *

l, then use locktite on the threads.

Rich

ACK! No thanks. tongue.gif


Posted by: mskala Feb 22 2011, 04:09 PM

Another similar thread made me look at the pic Chris has at
Tangerine Racing, where he also sells the modified Type I's.
Attached Image
He adds an o-ring so the flange is tight at the sides.

Posted by: Racer Chris Feb 22 2011, 06:43 PM

idea.gif

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