Differential Check - Trac-Lok(R) Road Test (Dana)

Differential Check - Trac-Lok (R) Road Test (Dana)

1. Drive the vehicle for at least 10 miles to warm up the axle lubricant.
- More miles may be necessary depending on the outside temperature.

2. Drive the vehicle in a tight circle for 5 minutes and then in the opposite direction for another 5 minutes.

3. Make a minimum of 10 figure-8 turns.

4. If chatter is still present, drain and refill the axle with the specified type and amount of lubricant and friction modifier.

5. Carry out the road test again.
- There might be a slight chatter. If the chatter persists after 160 km (100 miles) of vehicle operation, install a new differential.