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DIFFERENTIAL PRELOAD AND GEAR BACKLASH NOTE: It is difficult to salvage the differential side (1) Remove side bearings from differential case. tighten bolts to specification. (3) Install dummy side bearings 6929-A on differ- ential case. (4) Install differential case in axle housing. Shims 8107 (0.118 in. (3.0 mm)) starting point shims (6) Install the marked bearing caps in their correct positions. Install and snug the bolts. (7) Using a dead-blow type mallet, seat the differ- ential dummy bearings to each side of the axle hous- (8) Thread guide stud C-3288-B into rear cover bolt hole below ring gear (Fig. 85). (9) Attach dial indicator C-3339 to Guide Stud C-3288-B. Position the dial indicator plunger on a flat surface between the ring gear bolt heads (Fig. (10) Push and hold differential case to pinion gear side of axle housing. (11) Zero dial indicator face to pointer (Fig. 86). side of the axle housing. (13) Record dial indicator reading (Fig. 87). point shim thickness to determine total shim thick- (15) Add 0.001 in. (0.0254 mm) to the zero end play total. This new total represents the thickness of Fig. 82 Preload Measurement Starting Point Shim 1 – STARTING POINT SHIM Fig. 83 Seat Pinion Gear Side Dummy Bearing 1 – MALLET Fig. 84 Seat Ring Gear Side Dummy Bearing 1 – AXLE HOUSING 3 - 130 226 RBA AXLE WJ ADJUSTMENTS (Continued) |