Arctic Cat Prowler Forums banner

1 - 20 of 20 Posts

·
Registered
Joined
·
62 Posts
Discussion Starter #1
Well I went for a ride last weekend did about 60 miles and we were on the last leg of the ride when the oil in the rear diff blew out and made a damn mess come to find out the pinion seal failed I pulled the diff out myself and brought it to the dealer they change all three seals and I changed the clips on the axles. Just got it back together tonight, does anybody know if synthetic oil is ok to put back in it and what brand.
 

·
Registered
Joined
·
733 Posts
Hey Chris, I posted on another threat about venting... I'm getting geared up for a big weekend of running... should have on about 150 + miles or so by the time I'm done! I haven't had a single issue with my diffs leaking yet (knock on wood) and I've got over 600 miles on my new cat... I talked to my local dealer and he told me that the "inch below the fill hole" solution is the cure for the seal probs.. should I still go ahead with doubling up my expansion bellows? I have the extra bellows home now... just need to buy an extension line for the front... as always.. thanks man :)
 

·
Registered
Joined
·
3,564 Posts
The 1 inch down seems to fix most of them. I am not sure if AC is putting them out of the factory at 1 inch down or not. Maybe the dealers are checking them to make sure they are 1 inch down? On yours the double bellows can't hurt. It seems like another part of the cause is heat. So I don't know how warm it is where you are at right now but you might start to see problems as it gets warmer this summer. I hope not. Hopefully yours will be trouble free. But the heat and high speed seems to be the key to finding a leak.
Hey Chris, I posted on another threat about venting... I'm getting geared up for a big weekend of running... should have on about 150 + miles or so by the time I'm done! I haven't had a single issue with my diffs leaking yet (knock on wood) and I've got over 600 miles on my new cat... I talked to my local dealer and he told me that the "inch below the fill hole" solution is the cure for the seal probs.. should I still go ahead with doubling up my expansion bellows? I have the extra bellows home now... just need to buy an extension line for the front... as always.. thanks man :)


Never pay again for live sex! | Hot girls doing naughty stuff for free! | Chat for free!
 

·
Registered
Joined
·
733 Posts
Yeah, good point.. The last time I had a failure with my 550 was in the summer and it was when I rode at high speed for quite a while.. depends on where I'm riding but the majority of my seat time is spent slow trail cruising.. if I'm up at the lake in more open road conditions its a lot faster going... that's what worries me.. its some pretty big country up there and I don't wanna get stranded...
 

·
Registered
Joined
·
3,564 Posts
Well if it were me I would plan for the worst and be ready. I would have extra fluid with me and a funnel to be able to add some on the trail if needed. Some rags and a wrench should be all you need to add some if you need too. Not a huge problem if it starts to leak as long as you can add some if you need too. Hopefully you won't have to worry about anything except being prepared.



Never pay again for live sex! | Hot girls doing naughty stuff for free! | Chat for free!
 

·
Registered
Joined
·
193 Posts
the oem manual for my 650 calls for 9.5 oz in the diffs ft and rear which puts it about 1 inch below the fill line, i also just started to run dual bellow, just to be safe and i dident feel confident to drill a new breather in my diff... i hate leaks on anything
 

·
Registered
Joined
·
733 Posts
the oem manual for my 650 calls for 9.5 oz in the diffs ft and rear which puts it about 1 inch below the fill line, i also just started to run dual bellow, just to be safe and i dident feel confident to drill a new breather in my diff... i hate leaks on anything
For your front diff. did you add an extended line the same as the oem the rear setup? Also.. what diff fluid are you running? and how often to change it?
 

·
Registered
Joined
·
193 Posts
yes i did on the ft diff i am running amzoil marine grade gear lube, its full synthethic, i change the gear lube once a year or a little sooner depending on what i have ridden through
 

·
Registered
Joined
·
733 Posts
yes i did on the ft diff i am running amzoil marine grade gear lube, its full synthethic, i change the gear lube once a year or a little sooner depending on what i have ridden through
Right on! thanks for the info! I see quite a bit of water in the spring here so i was thinking about doing a change real soon.. only have about 300 miles of so this year but I guess it never hurts... for your front diff did you order the line to extend it from Cat or is there something I can buy at the auto parts store?
 

·
Registered
Joined
·
1,048 Posts
Keeping the diff level 1 inch below the fill hole is the cure for 99% of the leaking problems now on these. Too many techs still have the mindset of filling it to level with the hole though.

Another problem still, even with dual bellows, is an air bubble that is being heated, can push diff lube up the vent lines to the bellows. It's amazing how much pressure and heat can build up in these things.
To fix that, I also run and expansion tank on the rear diff. It's made out of pvc pipe with caps on the ends, using hose barb X machine fittings on each end. Then I run the vent lines up with dual bellows. Any lube that gets pushed up the line, only reaches the tank, then the air bubbles can get past the lube and up to the bellows. The dual bellows is necessary for the amount of expansion that occurs.
 

·
Registered
Joined
·
1,048 Posts
could we see some pictures darryl...
I'll take some tonight and post.
It's made out of 2 inch pvc pipe, unions and caps. Pretty simple. Bought a couple of fittings with a thread and nut on one end, barb on the other.

In this pic, you can see the top of the expansion can sticking above the besides and the dual bellows mounted up higher on the cage. I ran it high for rock crawling, so it doesn't blow out while at steep angles.
 

·
Registered
Joined
·
1,048 Posts
Late on getting these here, but here they are.

It's made out of pvc pipe with end caps.
Allows the air to escape past the lube so that the air bubbles don't push lube up in the line (a heated air bubble can push lube all the way up a line to the bellows).




 

·
Registered
Joined
·
733 Posts
Late on getting these here, but here they are.

It's made out of pvc pipe with end caps.
Allows the air to escape past the lube so that the air bubbles don't push lube up in the line (a heated air bubble can push lube all the way up a line to the bellows).

Awesome pics Darryl!! thanks.. are those end caps just pvc plumbing caps that you drilled in to? I just want to know where and what to buy for parts for this setup.. also, if I haven't had any problems so far with 600 miles on do you think I should do this mod? I haven't really done much warm weather running yet either.. thanks again.. :) one more thing, what size is that vent line?
 

·
Registered
Joined
·
1,048 Posts
Late on getting these here, but here they are.

It's made out of pvc pipe with end caps. Allows the air to escape past the lube so that the air bubbles don't push lube up in the line (a heated air bubble can push lube all the way up a line to the bellows).

Awesome pics Darryl!! thanks.. are those end caps just pvc plumbing caps that you drilled in to? I just want to know where and what to buy for parts for this setup.. also, if I haven't had any problems so far with 600 miles on do you think I should do this mod? I haven't really done much warm weather running yet either.. thanks again.. :) one more thing, what size is that vent line?
Chances are, you won't need a setup quite this extensive. I run sandwashes and the desert with hard on, hard off throttle hits, which tends to really abuse the diffs and make them heat up. Add to that, our typical summer temps range from 90 to 105 degrees, the heat really gets wild. Then on top of that, I run ITP BajaCross tires, which are very heavy. So all in all, I abuse my diffs probably more than most others.

I used two 2" end caps, 3 - 2" unions and short pieces of 2" pipe (sched 40) to join them. I cut the pipe short enough that the unions and caps butt up against each other. Then drilled holes in each end (drilled and mounted the fittings, before gluing on the caps). I used threaded X barb fittings on the end caps, then used JB weld to build the inside base up to even with the bottom cap fitting (helps provide drainback). With the 2nd bellows and all other parts, less than $20. It uses 1/4" oil rated hose. I bought all the fittings and pieces at Lowes. The fittings are in the brass fitting aisle.
 

·
Registered
Joined
·
1,048 Posts
where did you mount that on the prowler, is the pvc vertical or horozontal. thanks for the detailed pics darryl89
I put the cannister vertical on the rear roll cage tube. Ran the line and bellows up to the upper B pillar of the roll cage.
You can see the top of the cannister slightly above the tailgate and the line going up to the bellows.



If you find yourself running hard in 4WD alot, you might consider doing a smaller version on the front. But typically, it's the rear that will pressure up enough to cause seal leaks.
 

·
Registered
Joined
·
733 Posts
Chances are, you won't need a setup quite this extensive. I run sandwashes and the desert with hard on, hard off throttle hits, which tends to really abuse the diffs and make them heat up. Add to that, our typical summer temps range from 90 to 105 degrees, the heat really gets wild. Then on top of that, I run ITP BajaCross tires, which are very heavy. So all in all, I abuse my diffs probably more than most others.

I used two 2" end caps, 3 - 2" unions and short pieces of 2" pipe (sched 40) to join them. I cut the pipe short enough that the unions and caps butt up against each other. Then drilled holes in each end (drilled and mounted the fittings, before gluing on the caps). I used threaded X barb fittings on the end caps, then used JB weld to build the inside base up to even with the bottom cap fitting (helps provide drainback). With the 2nd bellows and all other parts, less than $20. It uses 1/4" oil rated hose. I bought all the fittings and pieces at Lowes. The fittings are in the brass fitting aisle.
Right on thanks again! I might duplicate this setup for my rear, just to be safe.. it usually doesn't get much warmer than 90 degrees around hear in the summer time but sometimes I ride hard and fast for long periods of time.. be good piece of mind to have this done just in case.. for the upcoming weekend I may just put the double bellows on... not overly warm right now (tops might be around 70 degrees).
 
1 - 20 of 20 Posts
Top