Differential Clutch Oil Inspection

Differential Clutch Oil Inspection

Warning

The hydraulic pressure in the differential clutch is very high. To prevent personal injury, wait for at least 10 minutes before removing any parts from the differential clutch.

Note: The following steps must be followed to ensure the proper fluid level for the differential clutch fluid.

1. Run the engine at idling speed for 5 minutes to distribute the fluid.

2. In park, cycle throttle to wide open throttle briefly 5 times to cycle solenoids to purge air.

3. Turn the engine off.

Note: Ensure that the vehicle is as level as possible.

4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Service and Repair.





Caution:
It is very important to observe maximum cleanliness when working on the differential clutch. Dirt particles can seriously damage the function and service life of the differential clutch.

Note: The differential clutch fluid should be level with the top threads of the fill hole.

5. Remove the fill plug (1) and check the differential clutch fluid level.

6. Add the proper differential clutch fluid, if needed. Refer to Adhesives, Fluids, Lubricants, and Sealers Fluid Type Specifications.

Caution: Refer to Fastener Caution Fastener Caution.

7. Install the fill plug (1) and tighten to 14 Nm (10 lb ft).

8. Install the scan tool.

9. With engine running, observe the scan tool Rear Differential Clutch Pump Motor Current parameter. The parameter display should be between 2500-3500 mA when the pump is on. If the parameter is below 2500 mA, recheck the fluid level.

10. Repeat steps 1-6 to ensure the proper differential clutch fluid level.

11. Remove the supports and lower the vehicle.