Lincoln Aviator: Maintenance / Power Steering Fluid Check

Brake Fluid Check

WARNING: Do not use any fluid other than the recommended brake fluid as this will reduce brake efficiency. Use of incorrect fluid could result in the loss of vehicle control, serious personal injury or death...

Changing the 12V Battery

WARNING: Batteries normally produce explosive gases which can cause personal injury. Therefore, do not allow flames, sparks or lighted substances to come near the battery...

Other information:

Lincoln Aviator 2020-2026 Owners Manual: Manual Park Release

WARNING: When doing this procedure, you need to take the transmission out of park (P) which means your vehicle can roll freely. To avoid unwanted vehicle movement, always fully apply the parking brake prior to doing this procedure. Use wheels chocks if appropriate...

Lincoln Aviator 2020-2026 Service Manual: Removal and Installation - Transmission Internal Wiring Harness

Special Tool(s) / General Equipment 307-625Fixture, Bench MountingTKIT-2008ET-FLMTKIT-2008ET-ROW 307-746Remover, Transmission Wiring Harness Connector Transmission Jack Vehicle/Axle Stands Wooden Block Materials Name Specification Motorcraft® MERCON® ULV Automatic Transmission FluidXT-12-QULV WSS-M2C949-A, MERCON® ULV  Removal NOTE: If removing the main control valve body harness only it is not necessary to remove the transmission case harness, refer to the Main Control Valve Body Harness steps...