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\"flopping\" a ring and pinion?

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type82e Wolfsburg Wizard

591 posts · joined Aug 2002 ·

#69921
Ive bought some split window reduction boxes to fit to my beetle i'm going to use the beetle gbox so I need to flip the ring and pinion.
it seems pretty straight forward but is there any tricks?
marcel

VWCOOL 23 Windows of Awesome

5,158 posts · joined Jun 2003 ·

#69941
yeah I'd like to know too, for my Country Buggy resto. Do you have to do any shim/measurement work, or just flop it over?
Pay your debts, CxxT

VWCOOL 23 Windows of Awesome

5,158 posts · joined Jun 2003 ·

#70075
Oh. So it's not a Saturday-afternoon-with-a-few-beers job then, huh
Pay your debts, CxxT

geodon Wolfsburg Wizard

478 posts · joined Aug 2002 ·

#70261
I'm FAIRLY sure that the chev corvair eng. spun the "wrong" way & this procedure would need to have been done for the VW's that were hot-rodded with this engine. There prob are none here but if you post this query on a USA site somewhere (samba??) you may find someone who has done it & who may offer some advice.

type82e Wolfsburg Wizard

591 posts · joined Aug 2002 ·

#70276
why would you have to take out the pinion and reset the gears?
I would have thought you'd be able to take out the diff turn it around reshim it then put it back together?
marcel

Desert Bug Wolfsburg Wizard

687 posts · joined Aug 2002 ·

#70677
Marcel I agree, check your other topic about fitting kombi axles.
Ian.

splitbusaustralia Wolfsburg Wizard

487 posts · joined Aug 2002 ·

#70709
Position (pre load) of crown and pinion does have to be set in two dimensions. They have to be positioned so the sideways position is correct (shims each side of the diff carrier) and the longitudinal or fore-and-aft position is correct (shim the pinion).

When flipping the diff the manual recommends that the sideways position needs to be measured and checked (you need VW special tools for this) - I guess this is assuming the diff wasn't noisy in the first place though.

However, having said that, if the tranny is quiet (no diff howl) and works OK, about 90% still seem to be good of you just flip the diff carrier and the diff carrier shims. Bit of a pain in the ass if you fall in the other 10% though....

If you have access to the tools check it. If you don't and the trannies good just flip it (and the shims) and hope your luck holds?

RobK

Keep the faith!

splitbusaustralia Wolfsburg Wizard

487 posts · joined Aug 2002 ·

#71430
That's a good point! Although I blue as a final check after set up rather than during the setup process (although I do have the factory tranny tools...).

The best/cheapest/safest solution when flipping a diff carrier (and shims) and not having access to factory tools is to blue to check engagement of ring and pinion!

Good point!

RobK

keep the faith!

[Edited on 7-8-2003 by splitbusaustralia]