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Discussion Starter #1
I've been riding my rzr the last few years and recently started riding my 2003 grizzly 660 again. I'm having issues keeping water out of my diffs. I replaced some seals before but had issues deciding how deep to install them. Just did the right rear axle seal and there is no stopper. I just ordered 3 rear and 3 front seals. Planning to take diffs out and clean with diesel before installing new seals. I changed the fluid 3 times this weekend and kept getting sludge. Hope the bearings arnt screwed. Thanks for any help!

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x2 on the seal wearing a groove in the shaft, pull the CV axle out and see if their is a groove worn in the sealing area. if so you can always buy a SKF SpeediSleeve, its a cheap repair to problems like this.
 
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Discussion Starter #4
I will look into SKF SpeediSleeve to see what I can find. The axle I pulled last week is grooved.

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Discussion Starter #5
Does anyone have the sizes of the SpeediSleeve needed for all 6 seals? Anyone actually use these on our grizzlys?

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Measure the cup with a micometer or take it to NAPA or whatever auto parts place you have in your area.
I've used speedi sleeves on the front drive shafts several time. The front drive coupling is about 1.887" and smaller than the axles cups. The sleeve use to be cheap under $20.00. The last one was more like $40.00. You can find complete axles for $50-60.

Also drive the seal in just flush or maybe 1mm beyond flush. Always grease the seal lips with lithium grease when installing.
 
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You can down load for free the SKF SpeediSleeve sizing chart with part numbers for the correct sizes but you will have u use a micrometer or a set of calipers or if you want i can email it to you. I've used these things for a long while now on the big diesel engines i work on for repairing various pumps and they are a life and cost saver for sure! i recently found on my grizz the front diff pinon coupling seal leaking, the coupling is like $60 new but the speedisleeve is like $21 off of amazon so i'm gonna go that route. every one has different methods for installing them and ive seen them all work but as most people would say... i prefer to do it my way. let us know if you have any other questions.
 
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Discussion Starter #8
My front diff coupler has been leaking for a while also. Changed seals twice and doesn't seem to help so was going to replace it but think I will go the SpeediSleeve route.

For the axles the flange part of the sleeve go to the axle but what about on the coupler? If I remember correctly, I installed the seal then reinstalled the coupler.

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yes the pinion seal is installed first then the coupling, you can position the speedisleeve so the flair on it is facing away from the diff so in the future if you have to remove the coupling again then the flair from the sleeve wont get in the way with the seal, just make sure you are placing the sleeve in the correct position on the coupling
 
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The speedi sleeve for the front diff coupling is SKF's #99189
The SS's come with the correct size driver. After the sleeve is installed the flange should be removed.
 
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Discussion Starter #11
Awesome!

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Discussion Starter #12
Just did some searching and found 2 more companies that had similar products.

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Discussion Starter #13
I would assume the driver/installer tool for the axles wouldn't be long enough. Any suggestions there.

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Discussion Starter #14
I'm going to Boggs and boulders 12 to 15 oct so trying to get this done before then.

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you can probably find a piece of pipe or see if home-depot has a piece of PVC that fits just good enough to push the SS down onto the axle. in regards to the flange getting folded down during instillation... from my experience yes it does a little but I've never had it completely flat when done installing. i also prefer to use a very small amount of Loctite flange sealant (i don't remember exactly what product number but i'll look around when i get home and let you know if your interested), just a personal preference but like i said before I've seen it work with different kinds of sealant and with out any at all.
 
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Discussion Starter #16
I do have some flange sealant.

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I would assume the driver/installer tool for the axles wouldn't be long enough. Any suggestions there.
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Haven't had to to deal with this issue.
I would be inclined to cut a hole in the driver with a Greenlee punch or a hole saw that the splined shaft would fit through. Then use a piece of PVC pipe against the driver to tap it home.
 
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Discussion Starter #18
Welp, think the front pinion bearing is shot. I didn't want to rebuild a diff right now.

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Discussion Starter #19
I can wiggle my rear drive shaft and brake rotor. Guess I have to rebuild that also. That's what I get for playing in mud and water for a few years.

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I can wiggle my rear drive shaft and brake rotor. Guess I have to rebuild that also. That's what I get for playing in mud and water for a few years.

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that's all apart of the fun, you go play and get muddy, you break it then get to buy more and better part to fix your machine and make it better, then repeat!!!

just make sure to post pictures of the good fun and breakages, every one around here is really good about giving people plenty of info on all of the cool things to spend every last penny on!!! lol
 
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