Inspection

Differential Carrier (3RZ-FE, 5VZ-FE w/Differential Lock):

INSPECTION
1. Check runout of companion flange. Using a dial indicator, measure the vertical and lateral runout of the companion flange. If the runout are not within the specification, replace the companion flange.








Maximum vertical runout: 0.10 mm (0.0039 inch)
Maximum lateral runout: 0.10 mm (0.0039 inch)





2. Check ring gear runout. Using a dial indicator, measure the ring gear runout.

Maximum runout: 0.10 mm (0.0039 inch)

If the runout is not within the specification, replace the ring gear.





3. Check ring gear backlash. Using a dial indicator, measure the ring gear backlash.

Backlash: 0.13 - 0.18 mm (0.0051 - 0.0071 inch)

If the backlash is not within the specification, adjust the side bearing preload or repair as necessary.





4. Measure drive pinion preload. Using a torque wrench, measure the preload of backlash between the drive pinion and ring gear.

Preload (at starting): 0.5 - 0.8 Nm (4.3 - 6.9 inch lbs.)





5. Check total preload. Using a torque wrench, measure the preload with the teeth of the drive pinion and ring gear in contact.

Total preload (at starting):
Drive pinion preload plus 0.4 - 0.6 Nm (3.5 - 5.2 inch lbs.)

If necessary, disassemble and inspect the differential.

6. Check tooth contact between ring gear and drive pinion.