Operation CHARM: Car repair manuals for everyone.

Differential-Electric Locker

DIFFERENTIAL ELECTRIC LOCKER

1. Lift one rear wheel off the ground.
2. Turn key to the on position.
3. Place vehicle in drive/first gear and transfer case in LOW LOCK.
4. Activate locker switch.
5. Manually rotate the wheel that is off the ground. The wheel should lock once the dog clutch is aligned.
6. Turn off locker switch.
7. Manually rotate the wheel that is off the ground. The wheel should turn.

NOTE: Only the locker actuator with sensor are serviced. Internal differential components are serviced as a differential case assembly.