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Old 05-30-2020, 08:24 AM   #1
fviet
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Default What part is this?

Iím replacing a couple of leaky seals + gasket on my M47 gearbox.

Normally Iím pretty good at keeping dissasembled parts ordered and together but I spotted this red rubber seal / o-ring a little distane away from where I was working and have worried myself thatís come off without me noticing.

The driveshaft and gearbox are in the same area, and Iíve removed the bell house section from the gearbox.

Please note I could be an idiot and itís not from the car at all but just lying around.

Iíve sepculated it could either wrap around the driveshaft joint to make a snug fit with the gearbox, or wraps around the input shaft bearing on the gearbox.

What is it? - if from the car at all

Here are some photos.

https://imgur.com/a/HMmGn6H

Thanks in advance for any help
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Old 05-31-2020, 01:21 AM   #2
90volvo
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dont believe its not either of the 2 your think it is (d.s. or input s.). But I cant tell you where it should go. I used to run a m47 and had it out 5 times with driveshaft. Never seen an Oring like that when working on driveline. So hope that helps. Maybe someone will recognize it and tell you where it should go.
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Old 06-01-2020, 01:33 AM   #3
MasterBlaster
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Well, this is supposedly an M47.



#50 is the only thing that thin, but it's a metal shim.

Do you change your own oil?
Have you dropped any filter o-rings lately?
That's about all I can think of at the moment.

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Old 06-01-2020, 04:43 AM   #4
Fa182
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I also looked through the catalogue and didn't see any gasket like like this.

It looks a bit like the square gasket that's on the oil cooler sandwich plate on 940's. All I've seen are black though and I'm not sure if yours has the same size
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Old 06-01-2020, 03:46 PM   #5
shoestring
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I've overhauled 2 M47IIs in the last 3 months and can say for certain that is not something affiliated with that. To me, it looks like a rubber band to me.
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Old 06-01-2020, 04:44 PM   #6
JohnMc
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/\ /\ /\ Kind of what I was thinking. Inconsistent and lumpy dimensions around it make me think rubber band.
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Old 06-03-2020, 04:23 AM   #7
fviet
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Thank you all for your replies.

Definite confirmation I'm an idiot then.
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