Trac-Rite Differential
DISASSEMBLY1. Remove differential ring gear bolts.
2. Remove differential case cover locating screws (Fig. 38).
3. Remove differential case cover.
4. Remove side gear and thrust washer (Fig. 39).
NOTE: Mark all component locations.
5. Remove three pinion brake shoes (Fig. 40).
6. Remove six pinion gears (Fig. 41).
7. Remove remaining side gear thrust washer and spacer.
8. Remove remaining three pinion brake shoes.
CLEANING
Clean the differential case and gears with light oil or a lint free cloth.
NOTE: Never use water, steam, kerosene or gasoline for cleaning.
INSPECTION
NOTE: Minor corrosion, nicks or scratches can be smoothed with 400 grit emery cloth and polished out with crocus cloth.
1. Inspect pinion gears teeth for chips and cracks (Fig. 42).
2. Inspect pinion gears shafts and brake shoes for scratches, flat-spots or worn (Fig. 42).
3. Inspect side gears teeth for chips and cracks (Fig. 43).
4. Inspect pinion and side gear bores for scratches (Fig. 44).
NOTE: If any damage is found the differential must be replaced as an assembly. Individual components can not be replaced separately.
ASSEMBLY
NOTE: Install all component in their original locations.
1. Lubricate all gears and differential bores with differential lubricant.
2. Install one set of pinion brake shoes into the case bores.
NOTE: Brake shoes can be installed upside down, but if install wrong pinion gear will not fit.
3. Install side gear thrust washer, side gear and spacer (Fig. 45).
4. Install one set of pinion gears into the bores next to the brake shoes, with the pinion shaft facing up.
5. Install other side gear and thrust washer.
6. Install other set of pinion gears into the brake shoes in the case.
7. Install other set of brake shoes onto the pinion gears shafts (Fig. 46).
8. Install differential cover and location screws.
9. Install new ring gear bolts and tighten to 237 Nm (175 ft. lbs.).