Lincoln Nautilus: Engine System - General Information / Piston Diameter. General Procedures

Oil Pressure Test - Gasoline. General Procedures

Oil Pressure Test 2.7L EcoBoost & 3.3L Duratec & 5.0L Ti-VCT NOTE: It is necessary to disconnect the battery to avoid setting any DTCs that could cause the PCM to command the oil pressure to other than what should be observed from a correctly operating system during the oil pressure test...

Piston Inspection. General Procedures

Inspection NOTE: Do not use a caustic cleaning solution or a wire brush to clean the pistons or damage can occur. Clean and inspect the (1) ring lands, (2) pin bosses, (3) skirts and the (4) tops of the pistons...

Other information:

Lincoln Nautilus 2018-2025 Service Manual: Rear Door Glass Top Run. Removal and Installation

Removal NOTE: LH side shown, RH side similar. NOTE: Removal steps in this procedure may contain installation details. Lower the rear door window glass to the full down. Remove the rear door trim panel...

Lincoln Nautilus 2018-2025 Service Manual: Intake Manifold Vacuum Test - Gasoline. General Procedures

Bring the engine to normal operating temperature. Connect the Vacuum/Pressure Tester to the intake manifold. Run the engine at the specified idle speed. The vacuum gauge should read between 51-74 kPa (15-22 in-Hg) depending upon the engine condition and the altitude at which the test is conducted...