What is the procedure of diesel engine overhauling?

Diesel engine overhauling involves several key steps to restore engine performance. First, the engine is removed from the vehicle and disassembled, with components like the cylinder head, pistons, and crankshaft being inspected for wear or damage. Necessary repairs or replacements are made, followed by thorough cleaning of all parts. Finally, the engine is reassembled, tested for proper operation, and reinstalled in the vehicle.