Service Prior to Assembly

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.

Dirt or debris will cause premature wear of the rebuilt engine. Clean all components. Refer to Cleanliness and Care .
Use the proper tools to measure components when inspecting for excessive wear. Components that are not within the manufacturers specifications must be repaired or replaced.
When the components are installed into an engine, return the components to their original location, position and direction. Refer to Separating Parts .
During assembly, lubricate all moving parts with clean engine oil. This provides initial lubrication when the engine is first started.