Differential Fluid Level Check

WARNING: This page is about a different car, the 2016 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

The rear differential oil change is not a scheduled maintenance service.

NOTE:

The Rear Driveline Module (RDM) oil must not be drained during normal level checks.

NOTE:

Be sure the vehicle is on a level surface, or is hoisted in a level manner, in order to obtain the correct fill level.

NOTE:

If this procedure is not carried out as described exactly, including waiting times, the oil level may vary by more than 3 mm (.118 in).

With the car in SNOW mode, drive at 30 km/h (19 MPH) for 5 minutes.
Drive back to the workshop, position the vehicle on the hoist, stop the engine and after one hour check the RDM oil level as described below.
Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .

Fig 1: Rear Differential Oil Filler Cap
Courtesy of CHRYSLER GROUP, LLC
Remove the rear differential oil filler cap (1).

Fig 2: Checking Fluid Level With Hex Wrench
Courtesy of CHRYSLER GROUP, LLC
Insert a suitable hex wrench (1) in the filler hole to submerge the short branch of the wrench in the oil holding the long branch perfectly horizontal.
Very carefully remove the hex wrench (1) from the hole.

Fig 3: Measuring Fluid Level On Hex Wrench
Courtesy of CHRYSLER GROUP, LLC
With a digital caliper, check that the position shown in illustration is comprised between 13 - 15 mm (.51 -.59 in).
If necessary, add the specified fluid. Refer to CAPACITIES AND RECOMMENDED FLUIDS, SPECIFICATIONS .
Clean the differential fill plug and install a NEW gasket. Install the fill plug and tighten.