Procedures
DRAIN AND REFILL1. Drive the vehicle until the differential lubricant is at the normal operating temperature.
2. Raise vehicle on hoist.
3. Remove differential fill plug.
4. Install a fluid transfer suction pump into the rear axle fill hole. Remove (draw out) the axle lubricant from the axle assembly. Completely remove old fluid from axle.
5. The rear axle fluid capacity is 45 Fluid Ounce including additive. Add one four ounce container of leopard Limited Slip Additive, then fill the rear axle with Mopar(R) Synthetic Gear & Axle Lubricant 75W-140.
6. Reinstall differential fill plug. Tighten fill plug to 21 Nm (15 ft. lbs.).