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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1463 (Front Drive Axle) >> Repair Instructions >> Differential Carrier Assembly - Disassemble >> Inspection Procedure

Inspection Procedure

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Perform the following before disassembling the differential carrier assembly:

  1. Remove the drain plug from the axle.
  2. Drain the axle lubricant.
  3. Inspect the oil and the case for metal chips.

    Determine the source of the metal chips, such as a broken gear or bearing cage.

  4. Inspect the ring gear backlash. Refer to Backlash Inspection and Adjustment .
  5. Measure the rotating torque of the pinion and differential case using an inch-pound torque wrench.

This information can be used in order to determine the cause of the axle problem. The information will also help when setting up and preloading the differential case.

Determine the cause of the axle problem before disassembly, if possible.

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