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LC Opel input shaft seal.


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#1 Indy Orange

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Posted 29 June 2020 - 03:05 PM

Hi all, are the Opel 4speed input shaft oil seals still available somewhere? Part number on the seal is 8937542.Ta Paul.

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#2 Indy Orange

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Posted 29 June 2020 - 05:58 PM

Or does any other car share the same seal?

#3 grumpy xu1

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Posted 29 June 2020 - 06:21 PM

Have you rang cbc or skf ect, just in case, as some bearing shops have seals aswell.

#4 S pack

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Posted 29 June 2020 - 07:12 PM

earlybizt has some for sale on ebay but you best be sitting down.  Es ist teuer.

https://www.ebay.com...&frcectupt=true



#5 Indy Orange

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Posted 29 June 2020 - 07:39 PM

Tried the bearing shops Gary ,no luck mate.
Yeah saw that one Dave, fell off my chair and hurt myself.

#6 S pack

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Posted 29 June 2020 - 08:31 PM

Try this one Paul, US $58.00 for a seal and gasket set.

http://www.2040-part...al-kit-i653180/

 

This seal and gasket set is 59 euro

https://www.opel-cla...79_167920l.html


Edited by S pack, 29 June 2020 - 08:33 PM.


#7 Indy Orange

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Posted 29 June 2020 - 08:38 PM

Wow good searching Dave ,I've been looking around on and off but never seen those!

#8 S pack

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Posted 29 June 2020 - 08:45 PM

just be sure they definitely have the kits and look into the shipping/postage costs and GST may also apply coming into OZ.



#9 flygtr028

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Posted 10 July 2020 - 12:55 PM

Bought OE from gearbox repairer


Edited by flygtr028, 10 July 2020 - 12:56 PM.


#10 Indy Orange

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Posted 11 July 2020 - 09:06 PM

Where Bronze ?

Edited by Indy Orange, 11 July 2020 - 09:07 PM.


#11 Indy Orange

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Posted 02 August 2020 - 04:27 PM

Ok ,not having much luck today in the shed today ,so I've bought my new Opel input shaft seal and fitted it over the input shaft and bolted on the bellhousing with the gasket on ,but the seal seems to have movement instead of being sandwiched between the housing and gearbox ,so much so that it turns with the input shaft.
Could it be I have the wrong input shaft bearing ? doesn't the seal make contact with the bearing ? Help!

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#12 Indy Orange

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Posted 02 August 2020 - 06:52 PM

Come on guys , I now you may want to keep the knowledge close to your chest but help a brother out!

#13 S pack

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Posted 02 August 2020 - 07:16 PM

No experience here with those Opel boxes Paul.

I expect the outer edge of the flange on the seal should be sandwiched between the bellhousing onto the outer bearing race.

With the box bolted up to the bellhousing, approx how much end play does the seal assy have?


Edited by S pack, 02 August 2020 - 07:17 PM.


#14 Indy Orange

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Posted 02 August 2020 - 09:03 PM

Thanks for the reply Dave, knowledge on these boxes is diminishing exept for a couple that rebuild them .The seal doesn't sandwich between the housing and gearbox so I can't quite work it out .Should be a tight fit surely.

Edited by Indy Orange, 02 August 2020 - 09:04 PM.


#15 S pack

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Posted 02 August 2020 - 10:08 PM

Having a read of the LC workshop manual, it says the clutch gear neoprene oil seal seal incorporates a spring steel dished washer. This dished washer is used to hold the clutch gear in place in the transmission housing.

In other words it must be sandwiched hard up against the clutch gear bearing outer race when the box is bolted up to the bellhousing.



#16 rodomo

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Posted 02 August 2020 - 11:15 PM

Brain drain here but I think the Ol' 3 speed crash boxes had that too?



#17 S pack

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Posted 02 August 2020 - 11:45 PM

Don't think so Rob. From memory the old crash boxes had the oil slinger on the clutch gears and a throwout bearing guide just like the 3spd all syncro box.



#18 Indy Orange

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Posted 03 August 2020 - 01:14 AM

I just don't know Dave ,have bolted the housing up hard to the gearbox ,the seal has play ,I can move it around ,it's not hard up to the bearing.

#19 S pack

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Posted 03 August 2020 - 06:45 AM

With the box bolted up to the bellhousing will the clutch gear (input shaft) move in and out when you pull/push it?

Is the bearing outer cir-clip the same thickness as the cir-clip groove in the bearing?

The cir-clip OD isn't too large and it's fouling in the bellhousing, not allowing the box to bolt up flush?

Perhaps Dr Terry may have some answers?


Edited by S pack, 03 August 2020 - 06:48 AM.


#20 Indy Orange

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Posted 03 August 2020 - 02:37 PM

Yeah Dave , cir-clip is all good and where it should be , input shaft moves about 2mm in and out and about the same from side to side.
The housing is not sandwiching the seal up against the bearing.
I'm thinking bearing thickness,but I dunno.

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Edited by Indy Orange, 03 August 2020 - 02:45 PM.


#21 Indy Orange

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Posted 03 August 2020 - 03:05 PM

I think I'm getting there , maybe this watchamacallit goes on over the seal and shaft before the housing!

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#22 S pack

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Posted 03 August 2020 - 03:58 PM

Hahaha, of course, the throwout bearing guide. I was thinking about what keeps the throwout bearing in place earlier today but the LC workshop manual does not seem to make any mention of a guide and I don't recall seeing it in the parts catalogues either.

#23 Indy Orange

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Posted 03 August 2020 - 04:16 PM

No nothing in the manual Dave,that guide also has a gasket between it and the housing.
As always thanks for reply's to my questions , hope this helps someone else.

#24 rodomo

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Posted 03 August 2020 - 10:59 PM

Don't think so Rob. From memory the old crash boxes had the oil slinger on the clutch gears and a throwout bearing guide just like the 3spd all syncro box.

This bit https://www.ebay.com...kYAAOxyThVTZELt

#25 _Aimz82_

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Posted 18 January 2021 - 12:28 PM

OMG I feel your pain - we spent nearly 12 months looking for an opel input shaft seal!  We had a failed attempt through a local parts guy (in NZ), who mucked up some payments to a German company, so we gave up on that route (he was at a stalemate with them, but we lost no money luckily).

 

We finally purchased it from a Dutch website that we had to use google to translate and relied mainly on the picture of it!  Ended up only costing about NZD$60 incl shipping and it made it here!!!  Should have brought heaps more to sell around NZ and Aussie!  We did find some on a couple of other sites (maybe ones suggested above) but they didn't have paypal, was just direct transfer, so didn't want to take the risk!

 

Are you still having issues installing it?  I think ours has gone in fine and no further leaks (well not from that seal anyway).  The outside flange looks slightly different.  The pack also came with another seal (front maybe) but that was too small!  The 4-speed opel was common in the Opel Kadetts - that is what lead us to searching overseas.  We need to do some more work on the gearbox too (gear linkages I believe), but hoping those parts are more generic! 

 

I have looked at 1000's of seals online, and have probably seen one for every other car in the world (and they all look really similar), this one was just so different!  No bearing/seal people locally could help.

 

Private message me if you like - we can exchange notes!  lol






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