Adjustment of the Differential
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If it is necessary to replace the right side cam gear and clutch disc assembly, the left hand side gear and clutch disc assembly, or the thrust block, the entire differential must be adjusted. The differential is adjusted using selective thickness thrust washers between the clutch pack assemblies and case and/or different selective thickness thrust blocks.
When adjusting the differential, note the following:
- Assemble the clutch disc sets properly.
- Adjust the backlash and thrust block clearance in the following order:
- The left side gear backlash
- The right side gear backlash
- The thrust block clearance
NOTE:
The proper clearance between the parts is critical to the operation of the unit.