Spring-Over-Axle Conversion
for a '95 YJ
Brief Instructions

Here are the quick and dirty instructions for installing an SOA lift with a slip yoke eliminator kit and CV driveshaft. For details, see my day-by-day description. As always, YMMV.

Both front and rear:

  • disconnect pitman arm from steering box & tie rod
  • remove shocks from vehicle
  • remove driveshafts from vehicle
  • disconnect front track bars from axles
  • raise vehicle onto jack stands and remove wheels
  • disconnect brake & vent lines from axles
  • disconnect springs from axles
  • disconnect springs from shackles & pull axles
  • reconnect springs to shackles
  • clamp springs together and reverse the center bolt

Front:

  • bolt axle under springs with perches sitting loose on the axle
  • position the pinion angle so that the perches are at exactly the same angle as the stock perches
  • tack weld perches in place
  • remove U-bolts
  • finish welding perches to axle - tack welds aren't enough
  • replace U-bolts & torque them down tight
  • install new dropped pitman arm
  • reconnect driveshaft to axle (might need to be lengthened 1")
  • install raised track bar bracket and reconnect track bar
  • reconnect extended vent line to axle
  • install new, longer brake lines
  • replace wheels and lower front of vehicle to the ground

Rear:

  • bolt axle under springs with perches sitting loose on the axle
  • replace wheels and lower vehicle to the ground
  • position the pinion angle so that it points directly at the t-case output yoke when vehicle is at rest
  • measure distance from center of pinion yoke to center of t-case output yoke, then give Tom Woods this number when ordering your new driveshaft
  • install SYE kit per their instructions (leave it in the Jeep)
  • lengthen drag link so steering wheel is correct when wheels are straight
  • when driveshaft arrives, install it
  • verify that the pinion angle is 1-2 degrees lower than the driveshaft angle
  • tack weld perches in place
  • remove U-bolts
  • finish welding perches to axle - tack welds aren't enough
  • replace U-bolts & torque them down tight
  • reconnect longer vent line to axle
  • install new, longer brake line

Later:

  • drive slowly to somewhere you can max out your axle articulation, then measure for new shocks - max rear droop is obtained by lifting the rear end with a jack and hanging both rear tires in the air
  • when shocks arrive, install them with the front upper mount eye adapters
  • Enjoy your new-found altitude!

If you have questions about SOA or want to discuss it further with other folks, be sure to check out the Jeep Tech forum on our message board.

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Back to Obi-Wan's SOA page
last updated 3 May 99
Obi-Wan (obiwan@jedi.com)




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