Inspection

INSPECTION


Ring Gear and Drive Pinion
Check gear teeth for scoring, cracking or chipping.
If any damaged part is evident, replace ring gear and drive pinion as a set (hypoid gear set).








Differential Case Assembly (Non LSD)
Check mating surfaces of differential case, side gears, pinion mate gears, pinion mate shaft, and thrust washers.







Bearing
1. Thoroughly clean bearing.
2. Check bearings for wear, scratches, pitting or flaking.
Check tapered roller bearing for smooth rotation. If damaged, replace outer race and inner cone as a set.








Contact Surfaces (With LSD)
1. Clean the disassembled parts in suitable solvent and blow dry with compressed air.
2. If following surfaces are found with burrs or scratches, smooth with oil stone.

1. Differential case B
2. Differential case A
3. Side gear
4. Pinion mate gear
5. Pinion mate shaft
6. Friction plate guide



Disc and Plate (With LSD)
1. Clean the discs and plates in suitable solvent and blow dry with compressed air.
2. Inspect discs and plates for wear, nicks and burrs.







3. Check friction discs or plates for warpage.

Maximum allowable warpage:.......................0.08 mm (0.0031 inch)

If it exceeds limits, replace with a new plate to eliminate possibility of clutch slippage or sticking.







4. Measure frictional surfaces and projected portions of friction disc, friction plate, spring plate, and determine each part's differences to see if the specified wear limit has been exceeded.

Measuring points:
A: Projected portion
B: Frictional surface

Wear limit
A - B = Wear limit mm (in) :.....................0.1 mm (0.004 inch) or less.

If any part has worn beyond the wear limit, and deformed or fatigued, replace it with a new one that is the same thickness as the projected portion.