Lincoln Aviator 2020-2026 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 2020-2026 Service Manual: Description and Operation - Pedestrian Alert System - System Operation and Component Description

System Operation System Diagram Item Description 1 PACM 2 PCM 3 IPC 4 Rear sounder 5 BCM 6 SOBDMC 7 Front sounder Network Message Charts Module Network Input Messages - PACM Broadcast Message Originating Module Message Purpose Factory mode BCM Controls the pedestrian alert system based on the vehicle build status set in factory mode...

Lincoln Aviator 2020-2026 Service Manual: 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. Measure the cylinder bore in 2 directions...

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