200tdi rear crank sealing area size - Defender Source
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  #1  
Old June 20th, 2016, 07:45 AM
Naplm00
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Matthew
1983 110 200tdi 3 door soft top
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200tdi rear crank sealing area size

Well all this talk of crank seals has mine now leaking slightly more than profusely.

I'd like to fit a speedi sleeve when I seperate the Trans and engine, or at least have one on hand.

Can someone with access to a 200tdi or 2.5na please measure the size of the crank for me at the sealing surface and possibly give me a depth as well?

That be swell... Pretty please?
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  #2  
Old June 20th, 2016, 08:40 AM
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Bill Adams
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I would suspect the seal has failed and not the crank surface.
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  #3  
Old June 20th, 2016, 08:46 AM
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Matthew
1983 110 200tdi 3 door soft top
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Yea prob but I just want to be safe
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  #4  
Old June 20th, 2016, 11:18 AM
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  #5  
Old June 21st, 2016, 10:27 AM
Naplm00
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Matthew
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Ne body?
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  #6  
Old June 21st, 2016, 10:49 AM
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I'll go take a look at my spare engine,
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  #7  
Old June 21st, 2016, 10:55 AM
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Matthew
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Thx man
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  #8  
Old June 21st, 2016, 11:25 AM
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pics

waiting on a cailper to get the other measurement
is it me or does this look different from my other 200tdi? its out of a Disco
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  #9  
Old June 21st, 2016, 11:27 AM
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Matthew
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Na looks fine, you just don't have the rear cover on there
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  #10  
Old June 21st, 2016, 01:39 PM
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3.915 inches on a caliper by a mechanic
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  #11  
Old June 21st, 2016, 02:35 PM
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Matthew
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Well shit, looks like there is no longer a size that will fit. Thanks anyway.


Scotchbrite here we come.
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  #12  
Old June 21st, 2016, 02:38 PM
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Are you positive it is the seal leaking and not the "gasket" between the block and clutch cover?
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  #13  
Old June 21st, 2016, 02:40 PM
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Matthew
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No, I'm not, also not even sure if it's the seal lip to crank or outer seal to housing. Haven't taken it apart yet.

That being said, I'm getting oil from the wading plug hole only, not anywhere on the outside of the engine or weeping from the rear clutch cover to block area.

I'm planning to use locktite 620 bearing mount on the outer seal to seal housing this time around
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  #14  
Old June 21st, 2016, 03:27 PM
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I did mine twice, it was a huge PIA.
Second we did use a sealant on the seal
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  #15  
Old June 21st, 2016, 03:29 PM
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Matthew
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Yea I'm going to do it the cheater way this time. Remove floor and hump and drop front of rear drive haft. Unbolt and shuffle back Trans and tcase on Crossmember then replace.
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  #16  
Old June 21st, 2016, 03:34 PM
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Tough part will be driving the seal in square with crank coming through the center. Make sure to use the plastic sleeve when you slide the seal over crank.
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  #17  
Old June 21st, 2016, 03:38 PM
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Matthew
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Yea I'm thinking Im going to use a piece of 4in pvc pipe and a flat piece of plywood to hammer it in. Sleeve on the crank with the seal lip greased with moly engine assembly lube and the outside with loctite bearing mount
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