Differential Carrier: Inspection
WARNING: This page does not describe the selected car, but rather 43 other vehicles, including the 2003 Pontiac Montana, 2003 Pontiac Grand Prix, 2003 Pontiac Bonneville, 2003 Pontiac Aztek, and 2003 Oldsmobile Silhouette. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect differential carrier assembly for the following:
- Damaged or worn teeth, bearing rollers, washers, or pins on differential planetary pinion gear.
- Damaged or worn teeth or splines on final drive sun gear.
- Damaged or worn teeth, splines, or thrust washers on differential side gear.
- Damaged or worn teeth, thrust washers, or shaft on differential pinion gear.
- Damaged or worn lugs or splines on parking gear.
- Damaged VSS reluctor wheel.
- Damaged internal gear/parking gear thrust bearing, differential carrier/sun gear thrust bearing or differential carrier/case thrust bearing.
- Damaged or worn differential carrier/case selective thrust washer.
- Damaged differential/final drive carrier housing.
Replace components as necessary. See Figure, Figure, Figure and Figure . If VSS reluctor wheel is damaged, see VEHICLE SPEED SENSOR RELUCTOR WHEEL .
- Inspect final drive sun gear shaft for the following:
- Damaged or worn splines.
- Cracks at lube oil holes.
- Damaged or worn bearing journals.