Lincoln Aviator 2020-2025 Service Manual / Powertrain / Engine / Engine System - General Information / General Procedures - Piston Ring End Gap

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.

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.

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 - Cabin Heater Coolant Diverter Valve

Special Tool(s) / General Equipment Hose Clamp(s) Hose Clamp Remover/Installer Fluid Container Removal NOTE: Removal steps in this procedure may contain installation details. Drain the cooling system. Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding (303-03A Engine Cooling - 3...

Lincoln Aviator 2020-2025 Service Manual: Diagnosis and Testing - Seatbelt Systems

Symptom Chart(s) Preliminary Inspection 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). Before diagnosing or repairing the seatbelt system, inspect the following items: Seatbelt webbing integrity (torn, frayed, cut or stretched) Seatbelt buckle and tongue assembly (latching and release, foreign debris) Symptom Chart: Seatbelt System Symptom Chart Condition Action The seatbelt warning indicator does not operate GO to Pinpoint Test A The seatbelt warning chime does not operate GO to Pinpoint Test B The seatbelt retractor webbing does not extract or exhibits excessive pressure on the occupant during use GO to Pinpoint Test C The seatbelt retractor webbing does not retract or has excessive slack during use GO to Pinpoint Test C The Belt-Minder® feature is inoperative GO to Pinpoint Test D The seatbelt tongue is rotated on the seatbelt webbing GO to Pinpoint Test E The seatbelt webbing is twisted at the seatbelt guide GO to Pinpoint Test E The seatbelt webbing is dirty or soiled GO to Pinpoint Test E Pinpoint Tests PINPOINT TEST A : THE SEATBELT WARNING INDICATOR DOES NOT OPERATE Normal Operation and Fault Conditions Turn the ignition on and monitor the airbag warning indicator after the IPC proves out...

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.