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.

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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 Owners Manual: Recycled Coolant. Severe Climates. Coolant Change

Recycled Coolant We do not recommend the use of recycled coolant as an approved recycling process is not yet available. Note: Dispose of used coolant in the appropriate manner. Follow your community's regulations and standards for recycling and disposing of automotive fluids...

Lincoln Aviator 2020-2025 Service Manual: General Procedures - Seat Heater Mat Installation

Repair NOTE: Click here to view a video version of the seat heater mat removal and installation. View NOTE: Always install a new heater mat. NOTE: During installation, it is allowable to adhere a new heater mat to any adhesive left behind on the foam...

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