I just purchased a RZR S and have a question about the front differential. When you engage the all-wheel-drive, is there any type of positive traction unit active on the front diff at anytime? My BRP has a clutch type unit in the front diff that will engage after so many turns of one wheel when the other is not turning. And it is completely automatic not like on the KAW side by side. I have not had a chance to use it enough to know all about it yet.
sludgeman
I just made it to the dealer today and according to the mechanic at their shop the front differential is open with no clutches or posi unit of any kind. So in answer to my question, no I can't or it doesn't lock in. Prove me wrong if anyone knows different as I have not torn it apart yet.
http://www.rzrforums.net/engine-drivetrain/16341-rzr-front-differential.html
If I had found this it would have saved me an hour drive to the dealer.
If I had found this it would have saved me an hour drive to the dealer.
The AWD switch can be turned on, or off while the vehicle is moving. AWD will not engage until the vehicle is below 3100 RPM.
CAUTION: Switching to AWD while the rear wheels are spinning can cause severe drive shaft and gearcase damage. Always switch to AWD while the rear wheels have traction or are not spinning.
When the AWD switch is off, the vehicle drives only in 2WD. When the AWD switch is turned on, it electronically activates the Hilliard Clutch, and allows the front wheels to provide torque when needed.
When the AWD switch is turned on, a 12 Vdc current charges the hub coil and creates a magnetic field. This magnetic field attracts an armature plate keyed to a roller cage that contains 20 rollers. The difference in RPM between the input shaft and the front axles, forces the rollers into the external cam of the Hilliard clutch assembly. The rollers are forced inward to engage themselves to the output hubs that link directly to BOTH front axles, resulting in True All Wheel Drive.
If the roller cage is damaged, it may, or may not engage in AWD, but there will be a noticable clicking/grinding in the front differential.
If AWD is intermittent, the armature plate may be warped or coil may be weak
If AWD does not engage, there may not be 12 Vdc at coil, or coil could be bad.
CAUTION: Switching to AWD while the rear wheels are spinning can cause severe drive shaft and gearcase damage. Always switch to AWD while the rear wheels have traction or are not spinning.
When the AWD switch is off, the vehicle drives only in 2WD. When the AWD switch is turned on, it electronically activates the Hilliard Clutch, and allows the front wheels to provide torque when needed.
When the AWD switch is turned on, a 12 Vdc current charges the hub coil and creates a magnetic field. This magnetic field attracts an armature plate keyed to a roller cage that contains 20 rollers. The difference in RPM between the input shaft and the front axles, forces the rollers into the external cam of the Hilliard clutch assembly. The rollers are forced inward to engage themselves to the output hubs that link directly to BOTH front axles, resulting in True All Wheel Drive.
If the roller cage is damaged, it may, or may not engage in AWD, but there will be a noticable clicking/grinding in the front differential.
If AWD is intermittent, the armature plate may be warped or coil may be weak
If AWD does not engage, there may not be 12 Vdc at coil, or coil could be bad.
i only read about half way down.. to the part where you said prove me wrong..
if it was already answered, my apologies..
this is a locking hilliard clutch. if you know differentials.. well forget it.. this isnt a differential.. it's a pair of roller clutches it works like a ratchet.. when engaged it will turn one direction but will bind in the other..
if you really want to understand it and not tear it all down put the rzr up on blocks (all four wheels off the ground)
get someone to start it in awd and roll the wheels slowly with the engine.. then grab one of the front wheels and spin it faster than the others.. it will freewheel, but when it slows down enough to match the other 3, it will grab and motor on..
not like posi or even a differential at all.
we shouldnt call these diffs..
if it was already answered, my apologies..
this is a locking hilliard clutch. if you know differentials.. well forget it.. this isnt a differential.. it's a pair of roller clutches it works like a ratchet.. when engaged it will turn one direction but will bind in the other..
if you really want to understand it and not tear it all down put the rzr up on blocks (all four wheels off the ground)
get someone to start it in awd and roll the wheels slowly with the engine.. then grab one of the front wheels and spin it faster than the others.. it will freewheel, but when it slows down enough to match the other 3, it will grab and motor on..
not like posi or even a differential at all.
we shouldnt call these diffs..
You are the man Martymoe. I stand corrected! I am only a rocket scientist not mad scientist. Thanks for the tip, I will check it out. I know my BRP (CanAm) 800 better than this one. I have had this 2010 S (white) for only less than a month. I have installed my GPS and snorkel kit but have only rode it 2 hrs so far. I plan to go riding near the Kissimme River (FL) next weekend on my property. Buy into this place and you have 70 sq miles to ride on. Down there you need GPS or you will get lost after dark.
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