Lincoln Navigator: Front Drive Axle/Differential / Differential Fluid Level Check. General Procedures

Materials

Check

1. With the vehicle in NEUTRAL, position it on a hoist.
   Refer to: Jacking and Lifting (100-02 Jacking and Lifting, Description and Operation).
   

1. NOTE: If equipped.

   Remove the bolts and remove the underbody shield.
   

1. NOTE: If equipped.

   Remove the bolts, and remove the underbody shield.
   

1. NOTE: If equipped.

   Remove the bolts and remove the underbody shield.
   

1. Remove the front differential fill plug.
   

1. Check and top off the differential with clean differential gear lubricant. The differential gear lubricant level should be within 3mm (0.118 in.) from the fluid level fill plug opening. Install the differential fill plug.
   Material: Motorcraft® SAE 75W-85 Premium Synthetic Hypoid Gear Lubricant / XY-75W85-QL (WSS-M2C942-A)

1. Install the front differential fill plug.
   Torque: 18 lb.ft (25 Nm)

1. NOTE: If equipped.

   Install the underbody shield and underbody shield bolts.
   Torque: 71 lb.in (8 Nm)

1. NOTE: If equipped.

   Install the underbody shield and the bolts.
   Torque: 30 lb.ft (40 Nm)

1. NOTE: If equipped.

   Install the underbody shield and the bolts.
   Torque: 71 lb.in (8 Nm)