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tree98 · 08-05-2019, **(Subject: 870 flywheel housing )**

Looking like I'll be doing a clutch soon on my 870. Is the flywheel housing gasket on the 870 as problematic as the 871? In other words would I be stupid not to replace it while i'm in there?

Signature620 · 08-06-2019, **(Subject: 870 flywheel housing )**

It's as prone to failure as any other ISX is. I'd do it for peace of mind.

Rawze · 08-06-2019, **(Subject: 870 flywheel housing )**

http://rawze.com/forums/showthread.php?t...5#pid27785

tree98 · 08-06-2019, **(Subject: 870 flywheel housing )**

I figured as much, just thought I would check.Why exactly is there a giant hole in the block behind the flywheel housing anyway? Dumb design isn't it?

Rawze · 08-06-2019, **(Subject: 870 flywheel housing )**

(08-06-2019 )tree98 Wrote: I figured as much, just thought I would check.Why exactly is there a giant hole in the block behind the flywheel housing anyway? Dumb design isn't it?

there is one that goes across the front too. lol

Signature620 · 08-06-2019, **(Subject: 870 flywheel housing )**

Horrible design to use an alloy housing as an engine mount and oil rifle with only the support of a thin rubberized gasket. It would all come down to manufacturing cost.

tree98 · 08-06-2019, **(Subject: 870 flywheel housing )**

I was reading Hammerheads thread regarding this job, his housing turned out to be all cracked to sh!t. Is that a common thing as well?

Signature620 · 08-07-2019, **(Subject: 870 flywheel housing )**

They often appear cracked but I've only every come across 1 with an actual crack in it. It will probably show some fretting which can be tidied up a little bit with light emery paper if you don't have time to get it machined flat.

Hammerhead · 08-09-2019, **(Subject: 870 flywheel housing )**

(08-06-2019 )tree98 Wrote: I was reading Hammerheads thread regarding this job, his housing turned out to be all cracked to sh!t. Is that a common thing as well?

Don't forget, I work my engine a lot harder than most. I have been further back into mines, and stuck in stuff would make all but the oilfield guys cry. I'm sure Brock could make me cry.

I'd have to look way back in my thread about it, but the castings had 2 different countries of origin marked in them. One was visually better than the other.
IF yours is cracked, remember that it's not typically a consumable part, so used is a cost effective viable option.