Here is the procedure from the maint manual, too lazy to figure out which is which
REAR AXLE - 210RII and REAR AXLE - 198RII
$20 at the most for the lube (just guessing), An hour at the most to let it dran and fill. $150 yeah its a rip off. Just keep your receipt!!
STANDARD PROCEDURE - FLUID DRAIN AND FILL
REAR AXLE - 198RII
Note: The fluid required for use in this axle is Mopar Synthetic Gear and Axle Lubricant 75W-140.
1. Drive the vehicle until the differential lubricant is at the normal operating temperature.
2. With vehicle in neutral, position and raise vehicle on hoist.
3. Remove rear axle drain plug and drain lubricant completely from the axle.
4. Install drain plug and tighten to 60 N·m (44 ft lbs).
5. Remove fill plug (1) and fill rear axle with 1.4 L (1.5qts.) Mopar Synthetic Gear & Axle Lubricant 75W-140.
6. Install fill plug and tighten to 60 N·m (44 ft lbs).
STANDARD PROCEDURE - FLUID DRAIN AND FILL
REAR AXLE - 210RII
Note: The fluid required for use in this axle is Mopar Synthetic Gear and Axle Lubricant 75W-140.
1. Drive the vehicle until the differential lubricant is at the normal operating temperature.
2. With vehicle in neutral, position and raise vehicle on hoist.
3. Remove rear axle drain plug (1) and drain lubricant completely from the axle.
4. Install drain plug and tighten to 50 N·m (37 ft lbs).
5. Remove fill plug (1) and fill rear axle with 1.6 L (1.7qts.) Mopar Synthetic Gear & Axle Lubricant 75W-140.
6. Install fill plug and tighten to 50 N·m (37 ft lbs).