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Home >> Jeep >> 1990 >> Wagoneer >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Drive Axle - 7.56" (7 9/16"), 8.25", & 8.5" >> Removal & Installation >> Pinion Seal & Yoke >> Installation

Pinion Seal & Yoke: Installation

  1. Coat pinion seal with axle oil and install. Align and install yoke on pinion shaft. On Cherokee, Comanche and Wrangler axles, install new pinion nut and tighten only enough to remove end play. DO NOT  tighten pinion nut any further at this time.
    CAUTION: DO NOT  overtighten or loosen and retighten pinion nut. If required preload torque is exceeded, the collapsible pinion spacer will have to replaced and pinion preload reset.
  2. Place an INCH lb. torque wrench on pinion nut. Rotate pinion and note rotating torque. Hold yoke with Yoke Support Wrench (J-8614-1). Tighten pinion nut until preload torque is the same as amount recorded during removal, plus 5 INCH lbs. (.56 N.m). Pinion nut torque should exceed 210 ft. lbs. (285 N.m). If not, replace collapsible spacer.
  3. On Grand Wagoneer axles, hold yoke with Yoke Support Wrench (J-8614-1). Torque yoke nut to at least 200 ft. lbs. (271 N.m). Check pinion preload torque. Tighten pinion nut until preload torque is 10-20 INCH lbs. (1-2 N.m), or 20-40 INCH lbs. (2-5 N.m) with new bearings.
  4. On all axles, align and install drive shaft. Tighten "U" joint clamp bolts. Install brake drum/rotors and wheels. Tighten lug nuts. Check oil level.