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Internal Part Compatibility Between 20 Spline & 22 Spline T50 Tran

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Hi Guys,

 

This post is a little long winded so bear with me!

 

I am rebuilding a 20 spline T50 transmission that I bought standalone so am not sure exactly what it came out of but am assuming that it was a Corolla.

 

It is being transplanted into a Mk2 Cortina but Sleeve, Transmission Hub No.3 is worn (probably due to jamming into reverse while moving forward) and so far I have been unsuccessful in sourcing a replacement. I have tried Australian toyota dealers, US dealers and Amayama in Japan with no success.

 

The part is a 33395-14010 which was replaced by 33395-14012.

 

I recently discovered that in the T50 fitted to the Corolla between August 79 & June 81 another part number (33395-14013) is listed which carried through into the later 22 Spline boxes. Does anyone know whether this would be compatible?

 

I have checked a few web sites and they are listing a 33395-26010 as a replacement for the 33395-14013.

 

Any help would be appreciated.

 

PS. I have posted the same question on the Toymods forum. Plenty of views but no replies so far.

Probably a little too in depth for us simple folk. Only those that have done it before would know.

If it is not too expensive give it a try. Would components from a 4 speed fit? I'd say you will have to end up

pillaging another box.

  • Author

Probably a little too in depth for us simple folk. Only those that have done it before would know.

If it is not too expensive give it a try. Would components from a 4 speed fit? I'd say you will have to end up

pillaging another box.

Hi Twinky,

 

Yes definitely a question for someone who has experience rebuilding these boxes.

I just received confirmation this afternoon that both the 33395-14013 & 33395-26010 are available from Amayama in Japan at around $90USD each + shipping so will probably buy & try.

 

I have attached a picture of the sleeve in case anyone else reads the post. In it you can see where the teeth are worn down on the edge.

post-13493-029337800 1305022278_thumb.jpg

post-13493-079487400 1305022409_thumb.jpg

  • 3 weeks later...
  • Author

Hi Guys,

 

To provide an update on this thread I ordered the 33395-14013 Sleeve from Amayama in Japan as they indicated that it was in stock. Turns out that the alternative 33395-26010 was the only part available. It was dispatched in Japan on Saturday and arrived in Newcastle yesterday (Tuesday). Very impressed by the delivery time! Whilst the sleeve is different to the original, initial expectations are that it will do the job. It fits the inner gear and the 5th gear side of the sleeve looks the same. The reverse gear side is not machined like the original and looks more robust. Perhaps to make it last longer where subject to abuse. Will try back in the box on the weekend and see how it goes.

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