Oil in antyfrezee on your 2006 npr 317 cid eng diesel?

If you find oil in the antifreeze of your 2006 NPR 317 CID diesel engine, it may indicate a head gasket failure, a cracked engine block, or a damaged cylinder head. This contamination can lead to overheating and severe engine damage if not addressed promptly. It's crucial to diagnose the issue accurately and perform necessary repairs, such as replacing the head gasket or inspecting the engine components. Regular maintenance and monitoring can help prevent such problems from escalating.