Disassembly
DIFFERENTIAL CASE ASSEMBLYExcept Limited Slip & Rear Differential Lock
Fig. 23 Front Differential:
Fig. 24 Rear Differential:
1. On rear differential, remove lock plate, then the side bearing nuts using tool No. MB990201 or equivalent.
2. On all differentials, remove the carrier cap (bearing cap), Figs. 23 and 24.
3. Remove differential case assembly using the wooden handles of two hammers to avoid damaging the gears.
4. Using puller MB990810 and adapter MB9990811, or equivalent, remove side bearings. Keep side bearings, nuts and adjusting spacers together for assembly reference.
5. Scribe alignment mark on differential case and drive gear, then remove drive gear attaching bolts and drive gear. Loosen bolts alternately in a diagonal pattern.
6. Remove lockpin with a punch, then remove pinion shaft, pinion gears, side gears and side gear thrust spacers. Keep left and right side components separate for identification during reassembly.
Limited Slip & Rear Differential Lock
Fig. 25 Limited Slip Differential Or Rear Differential Lock Assembly:
Fig. 26 Differential Side Bearing Removal:
1. Remove case from gear carrier, Fig. 25, as described under conventional differential.
2. Remove side bearing using tool Nos. MB990339-01, MIT303173, and MB990811-01 or equivalents, Fig. 26. Keep adjusting spacers separate to facilitate reassembly.
3. Mark relative position between differential case and drive gear, then loosen and remove drive gear mounting bolts in a diagonal sequence.
4. Evenly loosen differential case attaching bolts A and B, separate the two halves, then remove components from case B. Separate right and left thrust washers, spring plates, spring discs, friction plates and friction discs to facilitate assembly.
Drive Pinion
1. Hold end yoke with tool No. MB990850 or equivalent on rear differentials, or No. MB990767 or equivalent on front differentials, or equivalents, then remove mounting nut and end yoke.
2. Scribe alignment mark on end yoke and drive pinion, then tap or push out drive pinion with height adjusting shim, rear bearing inner race, spacer and preload adjusting shim still installed on shaft.
3. Using tools Nos. MB990339 and MB990648 or equivalents, remove drive pinion rear bearing inner race and height adjusting shim from shaft.
4. Remove front and rear pinion bearing outer races. When removing front outer race, remove and discard oil seal, then remove front bearing inner race.