570 crank seals...replace - ArcticChat.com - Arctic Cat Forum
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post #1 of 4 Old 04-01-2018, 04:04 PM Thread Starter
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570 crank seals...replace

Hey folks....is it possible to replace the crank seals on a 570 w/o splitting the case?

Solution (found via Search): probably could be done, but highly advisable to split the case and do it properly.

Engine has just over 10,000 miles...I have it apart to replace the pistons and rings and one cylinder and thought with those miles new seals would just be sensible. Would rather not split the case...I can, but I'd rather not.

Appreciate any help.


Last edited by oaken; 04-01-2018 at 05:58 PM. Reason: question answered
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post #2 of 4 Old 04-02-2018, 06:52 PM
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I've heard of guys replacing the PTO end seal without splitting the case, but never the MAG end. If you have the top end apart why not do a proper job and split the case and replace both crank end seals. You can give the crank and rod end bearings and water/oil pump shaft a good look over while the crank is out.

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post #3 of 4 Old 04-02-2018, 08:12 PM
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Exactly what he (94ZR580) said. I've replaced many PTO seals without splitting cases (they have no lip or rib to hold them in place), as they have a plate that is bolted to case that retains that side.

Mag side however, definitely requires splitting, as it has a raised retaining lip around its inside wall that will not come out without splitting its cases. No "if's, and's or but's" about it.

Who, me?! Don't listen to me.... (I don't know anything, evidently...)

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Originally Posted by DonoBBD View Post
That is freeking sick man........
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post #4 of 4 Old 04-03-2018, 11:04 AM Thread Starter
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Thanks for the replies....appreciate it.
And that's just what I'm doing...splitting the case, checking things out and replacing the seals.
ThreeBond for the case sealer.
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