Lincoln Corsair: Rear Drive Axle/Differential / General Procedures - Differential Fluid Level Check

Check

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

1. Remove and discard the RDU fluid fill plug.
   

1. If fluid level is low, check and top off the RDU with clean RDU fluid. The RDU fluid level should be within 2mm (0.079 in.) from the fluid level fill plug opening.
   

1. If empty, fill the RDU with clean RDU fluid.
   Refer to: Specifications (205-02 Rear Drive Axle/Differential, Specifications).
   

1. NOTE: Make sure that a new component is installed.

   Install the RDU fluid fill plug.
   Torque: 21 lb.ft (29 Nm)