400 Front Driveline

Difficulty 2.5 out of 10, not a big deal, no special tools.

  • remove plastic cover, left side (covers the coolant bottle).
  • remove front left wheel, then jack up front of quad.
  • remove all 3 bolts holding the front differential to the frame (14mm socket and box end wrench).
  • locate the small coupler boot near the front of the drive shaft. Slide it rearward (there are no clamps) until you can see the c-clip.
  • loosen c-clip and slide it rearward.
  • loosen rear clamp of the front boot and slide the coupler rearward on shaft.
  • at this point you should see a split in the shaft and a spring inside the shaft. Do not try to remove the spring yet. Using prybar, pry the rear of the differential upward and/or backward until there is enough clearance between the two halves of the drive shaft to get the spring out.
  • using a screwdriver or prybar, gently pry the front or the rear drive yoke off of it's shaft and remove whichever shaft (front or rear) that you are working on.
  • Replace the ujoint, boot or whatever else is wrong with the driveline.
  • Installation is the reverse. Use a rubber mallet to pop the driveline yokes back on. Good luck.

    I got the parts from www.ronayers.com. They were cheaper than the dealer.

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