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Crank Pulley Oil Seal #691957
05/03/21 06:21 PM
05/03/21 06:21 PM
Joined: May 2012
Posts: 1,651
Gods own county! Oop north
D
Dab of oppo Offline OP
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Dab of oppo  Offline OP
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Joined: May 2012
Posts: 1,651
Gods own county! Oop north
Got oil dripping from the front crank pulley, spotted it dripping out of the bottom of the timing belt cover.

1. Can this oil seal be replaced by just removing the crank pulley as I'm swapping the cam belt anyway or does the whole cam carrier plate have to be removed as well?

2. Would Matts Machine Shop be the best place to get a replacement oil seal?

All input greatly received.

Re: Crank Pulley Oil Seal [Re: Dab of oppo] #691968
05/03/21 07:22 PM
05/03/21 07:22 PM
Joined: May 2011
Posts: 1,329
Near Windsor Berkshire
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Rog G Offline
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Joined: May 2011
Posts: 1,329
Near Windsor Berkshire
Don't know the answer to Q1. But the seal will be a standard imperial size available at any good bearing supplier.


2013 M3W
1971 4/4 2 Seater
1934 Sports
Re: Crank Pulley Oil Seal [Re: Dab of oppo] #691969
05/03/21 07:24 PM
05/03/21 07:24 PM
Joined: Apr 2015
Posts: 422
Lancaster
Phil Bleazey Offline
Learner Plates Off!
Phil Bleazey  Offline
Learner Plates Off!

Joined: Apr 2015
Posts: 422
Lancaster
Never had to do one of these but once you have the seal out, measure it ( it will be imperial) and buy a reputable one such as SKF on line - by far the cheapest option. Let us all know the sizes please.

Phil


2013 M3W 1960 Velocette Venom and the Landrovardo!
Re: Crank Pulley Oil Seal [Re: Dab of oppo] #691974
05/03/21 09:07 PM
05/03/21 09:07 PM
Joined: Jun 2012
Posts: 1,619
United Kingdom, Lincolnshire
planenut Offline
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United Kingdom, Lincolnshire
Is it leaking because it's not been run for some time and the sump is full of oil?

I have only replaced this when I was doing the cam change and had the carrier plate off, it was easy to knock out from behind. I would think that it could be replaced without removing the plate as long as you can get the old seal out, there are a number of seal pullers on eBay and I have done some similar seals by drilling the face and using a self tapper screw each side to pull on. There are usually numbers embossed into the seal front face to show the size, or measure as Rog and Phil have said. Or, looking in the parts book it says, "Seal, pinion, dual lip, 22mmx35mmx7mm" p/n 106-0733, even easier wink

Re: Crank Pulley Oil Seal [Re: Dab of oppo] #691975
05/03/21 09:58 PM
05/03/21 09:58 PM
Joined: Oct 2012
Posts: 2,544
Furry Boots City
RedThree Online content
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RedThree  Online Content
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Joined: Oct 2012
Posts: 2,544
Furry Boots City
Think most things have been covered so, for information, here's some photos of the seal;

Pinion seal from the cam belt side of the carrier plate;
[Linked Image]

and from the inside of the plate;
[Linked Image]

and the new seal that went in;
[Linked Image]

Re: Crank Pulley Oil Seal [Re: Dab of oppo] #691976
05/03/21 10:08 PM
05/03/21 10:08 PM
Joined: Feb 2019
Posts: 3,137
Port Orchard, WA.
LightSpeed Offline
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Joined: Feb 2019
Posts: 3,137
Port Orchard, WA.
Good photos Calum, as usual. Would you happen to have a part number and source for that seal? It does not look like the SKF Seal that came from S&S.

How did it workout? Was your leaking or did you replace it just because you were there?

Re: Crank Pulley Oil Seal [Re: Dab of oppo] #691977
05/03/21 10:20 PM
05/03/21 10:20 PM
Joined: Oct 2012
Posts: 2,544
Furry Boots City
RedThree Online content
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Joined: Oct 2012
Posts: 2,544
Furry Boots City
My one had seeped for almost eight years...but never enough to be worth worrying about.
It's just a twin lip 22-35-7 and from memory is Viton though I stand to be corrected on that. Available from any decent bearing/seal supplier but do note that it is metric despite being in a US made engine.
Don't think the new one is leaking yet but it's probably just a matter of time!

Re: Crank Pulley Oil Seal [Re: Dab of oppo] #691979
05/03/21 10:33 PM
05/03/21 10:33 PM
Joined: Feb 2019
Posts: 3,137
Port Orchard, WA.
LightSpeed Offline
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Joined: Feb 2019
Posts: 3,137
Port Orchard, WA.
thank you.

Here is the box that came from S&S when I changed my cams.

[Linked Image]

Pinion seal.

Last edited by LightSpeed; 06/03/21 03:56 AM.
Re: Crank Pulley Oil Seal [Re: Dab of oppo] #692010
06/03/21 09:38 AM
06/03/21 09:38 AM
Joined: May 2012
Posts: 1,651
Gods own county! Oop north
D
Dab of oppo Offline OP
Talk Morgan Enthusiast
Dab of oppo  Offline OP
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D

Joined: May 2012
Posts: 1,651
Gods own county! Oop north
Thanks guys, superb photos Red 3.

It was weeping all last year but now it is getting worse time to sort it out I think.

Re: Crank Pulley Oil Seal [Re: Dab of oppo] #692036
06/03/21 12:09 PM
06/03/21 12:09 PM
Joined: Dec 2013
Posts: 993
Newton Abbot, South Devon UK
Felix42 Offline
Talk Morgan Regular
Felix42  Offline
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Joined: Dec 2013
Posts: 993
Newton Abbot, South Devon UK
What with covid restrictions do we want Mexican seals in this country? And what about dophins. irked

Last edited by Felix42; 06/03/21 12:35 PM.

John

Silver 2005 S1 Roadster V6 - Henrietta
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