2001 Dodge Durango Limited Slip Gear Oil Problems and Remedies
You can the 2001 Dodge Durango Limited Slip Gear Oil usage and the procedure to fill the gear oil and the problems related to the Limited Slip differential in this post.
Dealing With Various Differentials
The usage of the gear oil depends up on the type of the differential that you have got; if you have a differential of a limited slip then you require a friction modifier. Some of the limited slip differentials are available without a friction modifier if you use a synthetic gear lubricant. However, the other differential use lubricants like hypoid gear fluid of non-synthetic type or a GM friction modifier.
Usually, the gear oil in 2001 Dodge Durango limited slip is filled by removing the inspection plug and it is filled with the help of a gear oil pump that can be obtained from the auto parts store.
Tips for Improving Performance
For better performance, you should use the regular 85w-90 gear oil. If you have a limited slip differential, then you should go for a 85W-90 GL5 gear lubricant. The GL5 acts as a additive for the limited slip differentials. The GL5 gear lubricant has higher stability and with minimal oxidation effect. The GL5 gear oil will provide you more protection and offer better mileage.