[T3] pinion gear replacement-it's time #2

[Jim Adney]

On 20 Jul 2011 at 12:29, Brent Bottolfson wrote:

> What exactly is the difference in a Type 3 transaxle other than where 
> the hole is on the hockey stick?
> 
> I looked the serial on my and it's for a Type 3, but the castings of 
> both the main housing and nosecone have 113xxxxxx.  I thought maybe the 
> gearing was different, but this table shows many others as the same 
> (assuming the table is correct).  
> http://www.shining-wit.net/rick/buggy/design/transmission/
> 
> I was thinking Fred could just swap the hockey stick with a used transaxle.

I thought there were some differences in the gearing, or maybe it's 
just the final drive ratio. At any rate, you don't want a beetle 
tranny.  An IRS tranny from a bug would also have 4 holes in the 
bottom of the bell housing where the rear subframe on the beetle 
supported the rear of the tranny, just as on swing axle cars. These 
holes are actually there on Type 3 trannys, but they have been 
plugged with alum plugs.

The number cast onto the side of the case is the casting number for 
the case, which would have been the same for any Type 1 or Type 3 IRS 
tranny, up to the point where the case got an integral right side 
cover. Then both got a different casting.

-- 
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Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
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