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How many of u broke ur front diffs and how did it happen?

JHR2010-08-12 14:23:29 +0000 #1
Im just curious of how many of you learned the front diff lesson like i did. The 2nd day i had it i was playin around on my driveway and i pulled down a little hill and couldnt back up it. It was on dry ground so i just put her in 4wd and gave it a little gas in reverse. then POP, i was like oh #### what happened. My honda never did that. I thought that the front end actuator just hadnt engaged yet so i rode it around in 4wd for a sec then i jumped off in a hole beside my driveway. Then it would pull the frontires fine but would pop every few seconds. I then pulled the front diff and had 2 broke 10t spider gears and a cracked carrier housing. Lesson learned.
zacksbf2010-08-12 14:35:28 +0000 #2
I am still on the orginal and hope it holds up. I have heard it pop a time or 2 when pulling out of rutted up holes or in peanut butter mud but I use thumb control and never had it give out. I hope it is just the noise of it sending power from the right to left tire I hear and nothing serious.
Swampgriz2010-08-12 15:04:14 +0000 #3
Is the diff a common problem with the brute? I'm thinking of getting a new brute soon to replace my 660 grizzly but some of the stuff I read about on here scares me. Like the diff and engines blowing up for example.
JHR2010-08-12 15:38:54 +0000 #4
my front end was in pretty bad shape when i got it. Had 160 hrs on it when i got it. U just never engage it while ur stuck or when ur back tires are spinning and ur front ones arent.
Swampgriz2010-08-12 14:50:33 +0000 #5
Is engauging it when your stuck what causes it to break? Do you just roll a mph or 2 so it locks in? Does it slam in 4 if you are stopped and hit the button then gas it? Is this what takes them out? A friend of mine has a 06 brute With over 2000 miles on it with 28" outlaws and he always puts it in 4 before he gets in a hole and he has never had a problem with his diff.
JHR2010-08-12 15:47:11 +0000 #6
ya thats it. U gotta engage it before u need it.
Colten_rainwater2010-08-12 16:32:55 +0000 #7
looks like a grenade went off in mine case is shattered where the actuator is mounted at im guessin it is bc i always just cram it in 4wd an mash on it but dont really kno
Swampgriz2010-08-12 16:25:02 +0000 #8
Ok. If that is what causes all the damage that's not to big of a deal. Just gotta be careful with the engaugement.
brutus750i2010-08-12 17:24:14 +0000 #9
always stop to switch or if your not fer sure then lock her in first roll a foot or two an let er eat!!!
Heath0707072010-08-12 16:46:51 +0000 #10
I had to rebuild mine. I ran mine with water in it for about 500 miles! Had to replace center case, cross shaft, and all bearings and seals. Locked the front wheels together like a locker does when cross shaft broke. It will hit your wallet hard too, I have over $600 in mine. If the ring and pinion breaks thats about $550.
chris012010-08-12 15:44:52 +0000 #11
i have 4800km on my 08 650 brute an i'm really hard on it! so far no problems



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