Shims Inspection
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:
- 8.6 Rear Axle: The original cast iron production shims cannot be re-used and must be replaced with steel service shims if the differential or any production shim(s) is/are removed.
- 9.5/10.5/11.5 Rear Axle: The original cast iron production shims can be carefully removed and re-used. If the cast iron shims show any signs of excessive wear or damage, they must be replaced with service shims and spacers.
- If service shims were previously installed, the shims can be reused.
NOTE:
Carefully inspect the shims for cracks, chips or other damage. Replace any damaged shims with NEW steel service shims only.