GM Service Manual Online
For 1990-2009 cars only

Differential Carrier Inspection FWD Only


    Object Number: 10592  Size: SH
  1. Inspect the differential carrier assembly (700) for the following conditions:
  2. • Damaged or worn teeth, bearing rollers, washers, or pins on the differential planetary pinion gear
    • Damaged or worn teeth or splines on the final drive sun gear (697)
    • Damaged or worn teeth, splines, or thrust washers on the differential side gear
    • Damaged or worn teeth, thrust washers, or shaft on the differential pinion gear
    • Damaged or worn lugs or splines on the parking gear (696)
    • A damaged vehicle speed sensor reluctor wheel
    • Damaged internal gear/parking gear thrust bearing (695), differential carrier/sun gear thrust bearing (698) or differential carrier/case thrust bearing (715)
    • A damaged or worn differential carrier/case selective thrust washer (714)
    • A damaged differential/final drive carrier housing (700)

    Object Number: 10593  Size: SH
  3. Inspect the final drive sun gear shaft (689) for the following conditions:
  4. • Damaged or worn splines
    • Cracks at lube oil holes
    • Damaged or worn bearing journals

    Object Number: 10594  Size: SH
  5. Use a feeler gauge in order to measure the end play of the differential carrier planetary pinion gear.
  6. Specification
    End play should be 0.24-0.63 mm (0.009-0.025 in).

  7. If the end play check or the component inspection indicates a condition, repair the differential/final drive carrier assembly (700).