Shims Inspection
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
- 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.