Bearing Selection
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.
There are 3 methods to determine the correct replacement bearing size.
- Connecting Rod Bearing Grade Chart Method uses production markings on the crankshaft and the connecting rod to determine original bearing size.
- Micrometer method uses measurements of the crankshaft rod bearing journal and the connecting rod large end bore to determine the correct bearing size.
- Plastic gauging method is a way to verify the bearing clearance once the bearings are installed.