How do you replace the rod bearings in a 2003 Mazda 6?

To replace the rod bearings in a 2003 Mazda 6, first ensure the engine is cool and disconnect the battery. Then, remove the oil pan and crankshaft main bearings by unbolting the connecting rods from the crankshaft. Carefully replace the old rod bearings with new ones, ensuring proper alignment and lubrication, and then reassemble the components, including the oil pan and battery. Always consult the service manual for specific torque specifications and procedures.