Metal shards in transmission

David Schalk · May 6, 2024

Hi everyone!

Recently I did an oil change on my Series III, but to my shock these metal splinters came with the oil...

They are quite thin and curved in many ways.

Does anyone know what part these might be from and what to do with the transmission at this point in time?

Thanks in advance!

tottot · May 6, 2024

Look like the remains of 3/4 syncro detent springs, trouble with gear change ? Can not see any shiny steel gear teeth which is good.

David Schalk · May 6, 2024

tottot said:
Look like the remains of 3/4 syncro detent springs, trouble with gear change ? Can not see any shiny steel gear teeth which is good.

No gear changes go smooth as butter. It does have the 'popping out of 2nd gear' problem. Could this be related?

tottot · May 6, 2024

If good and patient with changes it can keep going some time, you look to have the remains of all 3 springs I think. Syncro hub is an early design from the 30's, works well enough but springs are a weak point.
The second gear jumping out [ on over run?] is likely not related and is wear and tear to bushings an shims further down the main shaft.

David Schalk · May 6, 2024

tottot said:
If good and patient with changes it can keep going some time, you look to have the remains of all 3 springs I think. Syncro hub is an early design from the 30's, works well enough but springs are a weak point.
The second gear jumping out [ on over run?] is likely not related and is wear and tear to bushings an shims further down the main shaft.

Thanks for the reply, this calmes my nerves quite a bit!

Do you think it's worth it to replace the springs?

tottot · May 6, 2024

There are some who say they have replaced springs through the top of the box. I did one once, not easy.
Given the other issues and you are managing without I say no. To be back in full working order time for a box out overhaul.

David Schalk · May 6, 2024

tottot said:
There are some who say they have replaced springs through the top of the box. I did one once, not easy.
Given the other issues and you are managing without I say no. To be back in full working order time for a box out overhaul.

Allright, thanks for the insight. Will keep on driving and keep a close eye on any shift in gearbox performance

tottot · May 6, 2024

OK, Should you be interested in what goes on in a series 3 gearbox @steamwally has some good you tube videos.

Shedload · May 8, 2024

Another reason why oil should, at least occasionally, be drained via the drain plug.
Keep us informed how you get on.

Metal shards in transmission

David Schalk

New Member

tottot

Well-Known Member

David Schalk

New Member

tottot

Well-Known Member

David Schalk

New Member

tottot

Well-Known Member

David Schalk

New Member

tottot

Well-Known Member

Shedload

Well-Known Member

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