Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Standard Procedure - Differential Assembly Fluid Change
The drain plug for the differential assembly is located in the bottom of the differential assembly case, toward the rear of the unit. See Fig 1.
| 1 - DIFFERENTIAL DRAIN PLUG |
The fill plug for the differential assembly is located on the rear of the assembly case. See Fig 2.
| 1 - DIFFERENTIAL FILL PLUG |
The correct fill level is to the bottom of the fill plug hole. Be sure the vehicle is on a level surface, or is hoisted in a level manner, in order to obtain the correct fill level.
- Raise the vehicle on a hoist.
- Position a drain pan under the differential drain plug. See Fig 1.
- Remove the drain plug and allow the fluid to drain into the pan.
- Install the drain plug and torque to 35 N.m (26 ft. lbs.).
- Re-position the drain pan under the differential fill plug.
- Remove the differential fill plug. See Fig 2.
- Using a suction gun or equivalent, fill the differential assembly with 0.7 L (1.48 pts.) of Mopar® Gear and Axle Lubricant (80W-90). See Fig 3.
- Install the fill plug and torque to 35 N.m (26 ft. lbs.).
| 1 - DIFFERENTIAL ASSEMBLY |
| 2 - SUCTION GUN |
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.