LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1990 >> Forward Control 6.2 J, Automatic, 475/M40 >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> DISC & DRUM (C, G, K, P, R & V Series) >> Removal & Installation >> Axle Bearing & Seal - Semi-Floating Axle >> Removal

Axle Bearing & Seal - Semi-Floating Axle: Removal

  1. Raise vehicle and support with safety stands. Remove wheel assembly and brake drum. Loosen differential cover plate and drain lubricant from axle. Remove cover plate.
  2. On 8 1/2" and 9 1/2" ring gear axles, remove differential pinion shaft lock screw. Remove differential pinion shaft. Push flanged end of axle toward center of vehicle and remove "C" clip from end of shaft.
  3. Remove axle shaft from housing, being careful not to damage oil seal. When removing axle shaft on 9 1/2" ring gear axle, make sure that thrust washer in differential case does not slide out.
  4. On Eaton locking axle, rotate differential case until lock screw is just above center line of rear axle housing. Support pinion shaft so that it cannot fall into case, then remove lock bolt.
  5. Partially withdraw pinion shaft. See Figure. Rotate differential case upward until shaft touches housing. Reach into case with screwdriver and rotate "C" lock until its open end points directly upward. Axle cannot be pushed inward until "C" lock is properly positioned
    NOTE: DO NOT  force or hammer axle shaft in an attempt to gain clearance.
  6. When "C" lock is positioned to pass through end of thrust block, push axle shaft inward and remove "C" lock. Carefully remove axle shaft.
  7. On 8 1/2" ring gear axle, insert Bearing Remover (J-23689) behind bearing. Tighten nut finger tight against washer. Attach Slide Hammer (J-2619-01) to remover, remove bearing and seal.
  8. On Eaton and 9 1/2" ring gear axles, insert Wobble Plate (J-29712) into axle tube so that it grabs behind bearing. Center receiver on axle tube and tighten nut. Back off nut, remove bearing and seal.