Tdi flywheel housing to block gasket - Defender Source
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  #1  
Old June 7th, 2013, 01:49 PM
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Tdi flywheel housing to block gasket

Took the flywheel housing off my 200Tdi to fit it up with my Series 3 transmission. It has a high quality paper gasket between the flywheel housing and block... I called Rovers North to order a replacement but was told they rarely sell this part (special order).

Do most just seal them up with Right Stuff or what?

Also, it makes sense to replace the rear main seal while I'm here. Any tips?
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  #2  
Old June 7th, 2013, 01:58 PM
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There's a seal? WTF?
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  #3  
Old June 7th, 2013, 02:07 PM
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  #4  
Old June 7th, 2013, 05:47 PM
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Why would you need a seal, the chamber where the clutch & P-plate are, it isn't watertight. Maybe, if the bell housing is AL, and since the block is FE, they are trying to minimize galvanic reaction of the 2 metals. Then there's the possibility of mating poorly machined surfaces.
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Old June 7th, 2013, 08:44 PM
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That gasket is very much needed that area is NOT dry on a 200tdi. Get the good one, not the cheap paper one. I got a nice one from RDS. People who advocate leaving that out are the same people that say you can leave out the four bolts on the bottom of the bellhousing. Big leaks will happen!

Genuine only on the rear main. I used real hylomar on the flyhweel housing gasket since I knew it it would be a while for the bottom four bolts to go in because of the way I was doing it. If I did it again I would just put the bolts in through the flywheel housing and not the trans bellhousing as I did.

RTFM...
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Old June 8th, 2013, 11:05 AM
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I definitely see the need for the gasket here on the 200tdi. Maybe not on a 300 that has the separate rear main seal.

To be clear this is between the flywheel housing and block, not between the bellhousing and flywheel housing.

I will order the good (Elring) gasket then, instead of right stuff


This is where the gasket goes
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Old June 8th, 2013, 01:12 PM
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That is a good looking gasket. I always use sealer on 200 tdi. Yes it is important to seal on this engine.. I use a sealer called hondabond or yamaha bond. A motorcycle case type sealer for this application. The vibration is tough on the gasket in this application.

But that gasket you pictured seems up to the task.
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Old June 8th, 2013, 04:13 PM
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If hondabond works I'll skip the $50 for the gasket. Hondabond fixes everything
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  #9  
Old June 9th, 2013, 11:22 AM
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I would use the thin type 4 on both surfaces, not the thicker version.
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Old June 9th, 2013, 01:02 PM
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Old November 22nd, 2013, 10:02 AM
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Getting ready to fix this over the Thanksgiving weekend. Does anyone know if the pitch on the 4 M10 bolts for the bottom of the flywheel housing is 1.5 or 1.25? I'm think its 1.5 but not sure...
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  #12  
Old November 22nd, 2013, 11:07 AM
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Quote:
Originally Posted by RiftRover View Post
Getting ready to fix this over the Thanksgiving weekend. Does anyone know if the pitch on the 4 M10 bolts for the bottom of the flywheel housing is 1.5 or 1.25? I'm think its 1.5 but not sure...
1.5

I have some spares if you want them. I had to buy a box of 10 from McMaster Carr because I couldn't find them locally. I ran a tap through the holes to clean them up first.
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  #13  
Old November 22nd, 2013, 02:10 PM
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Jeff, that would be great if you think you can get them sent soon so I'll have them next week. I'll send you a PM.
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