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Re: Automatic transmission types for Audi 100/5000 2.2

Olesen, Allan wrote:
> I have an Audi 100 (5000) 2.2E '87 with automatic transmission,
> 3-speed without lockup.
> I have to find a new transmission, because the seal ring between the
> transmission and the differential was defect, causing damage to both
> parts. Apparently this is a common weakness on Audi.

Is it ever!

> I would like to find a transmission with a different gear ratio. The
> one I have now is a type RDT with a gear ratio of 12:39 = 1:3.25. On
> my other Audi (manual), I guess the ratio is somewhere around 1:2.7.
> This car is very silent.

Your fifth gear is overdive, somewhere beteewen 0.829~0.641 depending on

> My questions are:
> Are there any Audi transmissions (which fit on my car) without the
> seal ring weakness?
> Are there any 4-speed transmissions available?

Excellent questions, Id like to know too!

> What are the gear ratios for the different types? If I ask at the
> Audi-shop, they can find the ratio, if I know the 3-letter typeno.,
> but they do not have a table with all transmissions.

RDU,RDB,RDJ,RDS=3.08/RDE,RDX=3.25/RDG,RDN=3.45. These are U.S. code
letters for 84 thru 88.


84 5KT
87 5KCST