Lincoln Corsair: Rear Drive Axle/Differential / General Procedures - Differential Draining and Filling

Lincoln Corsair 2020-2026 Service Manual / Chassis / Driveline / Rear Drive Axle/Differential / General Procedures - Differential Draining and Filling

Draining

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

Remove and discard the RDU fluid fill plug.

Remove and discard the RDU fluid drain plug and allow the RDU fluid to drain.

Filling

NOTE: Make sure that a new component is installed.
Install the RDU fluid drain plug.
Torque: 30 lb.ft (40 Nm)

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

Check the RDU fluid level. The RDU fluid level should be 2mm (0.079 in) below the bottom of filler hole opening. If required, top-off the RDU with clean RDU fluid.

NOTE: Make sure that a new component is installed.
Install the RDU fluid fill plug.
Torque: 21 lb.ft (29 Nm)

Diagnosis and Testing - Rear Drive Axle and Differential

Symptom Chart(s) Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation)...

General Procedures - Differential Fluid Level Check

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

Other information:

Lincoln Corsair 2020-2026 Service Manual: Description and Operation - Impact of Insufficient Repair Quality

Body repairs usually require a significant level of intervention in the existing body shell structure. The corrosion protection, seals and NVH components are destroyed and must be replaced. To prevent the vehicle quality from being compromised due to a poor quality repair, all repairs must be inspected during and after the accident repair...

Lincoln Corsair 2020-2026 Owners Manual: Load Limit

Vehicle Loading - with and without a Trailer This section guides you in the proper loading of your vehicle, trailer, or both. Keep your loaded vehicle weight within its design rating capability, with or without a trailer. Properly loading your vehicle provides maximum return of vehicle design performance...

Information on P Type Tires

Lincoln Corsair. Information on P Type Tires

P215/65R15 95H is an example of a tire size, load index and speed rating. The definitions of these items are listed below. (Note that the tire size, load index and speed rating for your vehicle may be different from this example.)

P: Indicates a tire, designated by the Tire and Rim Association, that may be used for service on cars, sport utility vehicles, minivans and light trucks. Note: If your tire size does not begin with a letter this may mean it is designated by either the European Tire and Rim Technical Organization or the Japan Tire Manufacturing Association. 215: Indicates the nominal width of the tire in millimeters from sidewall edge to sidewall edge. In general, the larger the number, the wider the tire. 65: Indicates the aspect ratio which gives the tire's ratio of height to width. R: Indicates a radial type tire. 15: Indicates the wheel or rim diameter in inches. If you change your wheel size, you will have to purchase new tires to match the new wheel diameter. 95: Indicates the tire's load index. It is an index that relates to how much weight a tire can carry. You may find this information in your owner’s manual. If not, contact a local tire dealer.