Lincoln Aviator 2020-2025 Service Manual / Powertrain / Engine / Engine System - General Information / General Procedures - Piston Inspection

Lincoln Aviator: Engine System - General Information / 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. If wear marks, scores or glazing is found on the piston skirt, check for a bent or twisted connecting rod.

NOTE: Make sure the oil ring holes are clean.
Using a Piston Ring Groove Scraper, clean the piston ring grooves.

General Procedures - Piston Diameter

Check Measure the piston diameter 90 degrees from the piston pin and piston diameter (DN) height down from the top of the piston at the point indicated...

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...

Other information:

Lincoln Aviator 2020-2025 Service Manual: Description and Operation - Torque Converter

Overview Item Description 1 TCC solenoid 2 TCC regulator valve assembly 3 TCC apply circuit 4 TCC release circuit Torque Converter Hydraulic Circuits (TCC Released) Item Description 1 LPC pressure 2 TCC solenoid 3 TCC control pressure 4 TCC regulator valve 5 TCC release pressure 6 TCC 7 TCC exhaust to TCC regulator valve 8 Torque converter anti-drainback valve 9 TCC exhaust 10 Pump output 11 Decreased pressure from main requlator valve Line pressure fills the converter feed circuit with fluid up to 1,103 kPa (160 psi)...

Lincoln Aviator 2020-2025 Service Manual: General Procedures - Differential Draining and Filling

Materials Name Specification Motorcraft® SAE 75W-140 Synthetic Rear Axle LubricantXY-75W140-QL WSL-M2C192-A Draining With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting (100-02 Jacking and Lifting, Description and Operation)...

Children and Airbags

WARNING: Airbags can kill or injure a child in a child restraint. Never place a rear-facing child restraint in front of an active airbag. If you must use a forward-facing child restraint in the front seat, move the seat upon which the child restraint is installed all the way back.

Lincoln Aviator. Children and Airbags