How to Drain and Replace Front Axle Gearbox Oil

To complete this task, you’ll need the following:

• Safety equipment required by your jobsite.
• Two pans or containers to catch used oil as it drains
• Clean SAE 80W90 (GL-4) Gear Oil (6 liter)
• Torque wrench

To drain and replace Front Axle Gearbox oil:

1. Place two containers under the front axle to catch the used oil.
2. Remove the venting plugs from each side of the front axle.
3. Remove the two drain plugs on the front axle. Allow the oil to completely drain. Safely dispose of the used oil.
4. Reinstall both drain plugs and torque to 30-35Nm.
5. Remove the front axle fill plug.
6. Add 6 liters of oil to the gearbox. Settling time is required after adding the first 3 liters.
7. Reinstall both venting plugs and torque each to 3-5Nm.
8. Replace the fill plug and torque to 30-35Nm.