Final Drive

REPAIR FOR COMPONENT PARTS

Final Drive


COMPONENTS












DISASSEMBLY






1.Remove final gear (1) from differential case (2).





2.Set Tool on differential case, and remove differential side bearings from differential case using a suitable tool.
Tool number: ST-3306S001 (J-22888-D)

CAUTION:
Be careful not to mix up the right and left bearings.





3.Remove speedometer drive gear from differential case.





4.Drive out lock pin from differential case (1) using Tool (A).
Tool number: KV-32101000 (J-25689-A)





5.Draw out pinion mate shaft.
6.Remove pinion mate gears, pinion mate gear thrust washers, side gears and side gear thrust washers.

INSPECTION

Gears, Washers, Pinion Mate Shaft and Differential Case





- Check mating surfaces of differential case, side gears, pinion mate gears and pinion mate shaft. Replace if necessary.
- Check washers for wear. Replace if necessary.
Bearings
- Make sure bearings roll freely and are free from noise, cracks, pitting or wear. Replace if necessary.

CAUTION:
When replacing taper roller bearing, replace outer and inner race as a set.

ASSEMBLY






1.Attach side gear thrust washers to side gears, then install pinion mate thrust washers and pinion mate gears in place.

CAUTION:
Apply ATF to any parts.





2.Insert pinion mate shaft.

CAUTION:
- When inserting, be careful not to damage pinion mate gear thrust washers.
- Apply ATF to pinion mate shaft.
3.Select side gear thrust washers according to the following procedures.





a.Place differential case in the upright position so that the side gear to be measured is at the top.
(A): Location for inserting feeler gauge (B): Side gear tooth (C): The center line of differential case b.In order to maximize the back clearance, rotate side gears so that a tooth on side gears at the top and bottom will align at the same position as shown.





c.Adjust the back clearance of side gear according to the following procedures.
i.Insert feeler gauges (A) of the same thickness to the back of side gear from both sides, preventing side gear from falling, to measure the clearance.
- Measure clearance 3 times by rotating side gears and take the average.

CAUTION:
In all 3 measurements, maximize the clearance by aligning teeth on side gears at the top and bottom at the same position.
ii.Select side gear thrust washer so that the clearance will fall within the standard.

Differential side gear clearance:
Final Drive.

iii.Turn differential case upside down, and measure the back clearance of the other side gear in the same manner.

NOTE:
Adjust the clearance to approx. 0.1 mm (0.004 in) for used differential [driven approx. 3,000 km (1864 mile) or more].





4.Install lock pin (1) to pinion mate shaft using suitable tool (A).

Tool number A: KV-32101000 (J-25689-A)

CAUTION:
- Do not reuse lock pin.
- Make sure that lock pin is flush with differential case.





5.Install speedometer drive gear on differential case.





6.Set suitable tool (A) on differential side bearing inner race, and press differential side bearing inner race into differential case.

CAUTION:
Set Tool on differential side bearing inner race.
Apply ATF to differential side bearings.





7.Install final gear and tighten bolts to the specified torque in numerical order as shown after temporarily tightening them.
Final Drive.