Lincoln Aviator: Engine System - General Information / General Procedures - Piston Ring End Gap

Special Tool(s) / General Equipment

Feeler Gauge

Check

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

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    NOTE: Use care when fitting piston rings to avoid possible damage to the piston ring or the cylinder bore.

    NOTE: Piston rings should not be transferred from one piston to another.

    NOTE: The cylinder bore must be within specification for taper and out-of-round.

    Use a piston without rings to push a piston ring in a cylinder to the bottom of ring travel.
  1. Using the Feeler Gauge Set measure the top piston ring end gap and the second piston ring end gap
    Use the General Equipment: Feeler Gauge

    General Procedures - Piston Inspection

    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...

    General Procedures - Piston Selection

    Check NOTE: Refer to the appropriate Section 303-01 for the specifications. NOTE: The cylinder bore must be within the specifications for taper and out-of-round before fitting a piston...

    Other information:

    Lincoln Aviator 2020-2025 Service Manual: Removal and Installation - Spring


    Removal NOTICE: Suspension fasteners are critical parts that affect the performance of vital components and systems. Failure of these fasteners may result in major service expense. Use the same or equivalent parts if replacement is necessary. Do not use a replacement part of lesser quality or substitute design...

    Lincoln Aviator 2020-2025 Service Manual: Removal and Installation - Front Door Latch


    Removal NOTE: LH (left-hand) side shown, RH (right-hand) side similar. NOTE: Removal steps in this procedure may contain installation details. All vehicles NOTE: The PMI process must begin with the current door latch control module installed...

    Categories

    Locking and Unlocking the Doors from Inside

    Lincoln Aviator. Locking and Unlocking the Doors from Inside

    Unlock. Lock.

    Locking the Doors

    Press the lock switch on the door interior trim panel. The doors can no longer be released using the exterior door handle switches and the luggage compartment locks.

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