2003 Jeep Wrangler rubicon differential service how to what tools what materials?

To service the differential on a 2003 Jeep Wrangler Rubicon, you'll need basic tools like a socket set, wrench set, a drain pan, and a torque wrench. Materials required include new differential fluid (check for the correct type, typically 75W-90 gear oil), a new differential cover gasket, and possibly a suction pump for refilling. Begin by draining the old fluid, replacing the gasket, and then refilling with new fluid, ensuring you torque the cover bolts to the manufacturer's specifications. Always consult the owner's manual for specific capacities and procedures.