Lincoln Nautilus Manuals

Lincoln Nautilus: Engine System - General Information / Valve Guide Inner Diameter. General Procedures

Check

NOTE: Refer to the appropriate Section 303-01 for the specification.

  1. NOTE: Valve guides tend to wear in an hourglass pattern. The ball gauge can be inserted into the combustion chamber side of the valve guide, if necessary.

    • Use a ball gauge to determine the inside diameter of the valve guides in 2 directions at the top, middle and bottom of the valve guide.
    • Measure the ball gauge with a micrometer.
    • If the valve guide is not within specifications, install a new cylinder head assembly.

    Spark Plug Inspection. General Procedures

    Inspection NOTE: Dropped spark plugs should always be discarded. Unfired An unfired spark plug should appear very clean with a pure nickel finish to the threads and ground strap...

    Valve Stem Diameter. General Procedures

    Check NOTE: Refer to the appropriate Section 303-01 for the specification. Measure the diameter of each intake and exhaust valve stem at the points shown...

    Other information:

    Lincoln Nautilus 2018-2025 Owners Manual: Power Seats


    Folding the Seat Backrest WARNING: Do not fold a seat if it is occupied. Failure to follow this instruction could result in personal injury. This feature operates when the vehicle is in park (P) and the liftgate has been open for less than 10 minutes...

    Lincoln Nautilus 2018-2025 Service Manual: Heater Core Leak Check. General Procedures


    Inspection NOTE: A coolant leak in the heater hose could follow the heater core tube to the heater core and appear as a leak in the heater core. Inspect for evidence of coolant leakage at the heater hose to heater core attachments. NOTE: Spring-type clamps are installed as original equipment...

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    Programming the Garage Door Opener to Your Garage Door Opener Motor

    Lincoln Nautilus. Programming the Garage Door Opener to Your Garage Door Opener Motor

    Press the learn button on the garage door opener motor, you have 30 seconds to complete the next two steps. Return to your vehicle.

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