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PostPosted: Fri Apr 02, 2010 4:24 pm 
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Still on the Trailer Member

Joined: Fri Apr 02, 2010 4:14 pm
Posts: 4
Hey, I have an 03 arctic cat 400 with IRS. everything is fine when i am riding this but when i do an aggressive brake i get a very loud knock from the atv. it only does it on a hard stop, nothing on acceleration. i pulled the rear wheels to check the brakes the other day and noticed that when i turn the rear wheels i can duplicate the noise. i traced it to what seems to be the output shaft from the t-case. I'm wondering how much backlash is supposed to be there and if it could just be a loose belt? i haven't worked on this one very much so i don't know much about the drivetrain but i know alot of general things.... please help


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PostPosted: Sat May 08, 2010 11:37 pm 
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Trail Riding Member

Joined: Tue Sep 16, 2008 6:41 pm
Posts: 59
On the auto arctic cats you will get a hard chatter from the belt drive side when you brake agressivly(sp). I would not call it a knock how ever you may have something diffrent. There is a good bit of backlash in the tranny,it is not as tight as you would expect it to be. The chatter you hear is the belt hopping back to "home" position which is where it rest at under noload.


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PostPosted: Tue Jun 01, 2010 4:43 pm 
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Still on the Trailer Member

Joined: Fri Apr 02, 2010 4:14 pm
Posts: 4
hey thanks for the info. we took it in to the dealer in town and they said it's normal with the three-wheel brake system and it's nothing to worry about. still kinda odd to me...


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