Checks  | Action  | 
|---|---|
The lubricant is contaminated.  | Drain and flush the axle housing thoroughly. Refill with the correct lubricant. Refer to Lubricant Change in Rear Drive Axle.  | 
The clutch plates are deteriorated.  | Replace the clutch plates. Refer to Locking Differential Cam Unit Disassemble and Locking Differential Cam Unit Assemble .  |