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 - Rear Suspension - Overview

Overview The rear suspension consists of the following components: Coil springs Lower arm and bushing assemblies Stabilizer bar and links Toe links Upper arms Lower arm vertical links Wheel bearing and wheel hub assemblies Wheel knuckles Wheel studs Suspension height sensor Dynamically controlled shock absorbers Refer to: Vehicle Dynamic Suspension - Vehicles With: Air Suspension - Component Location (204-05 Vehicle Dynamic Suspension, Description and Operation)...

Lincoln Aviator 2020-2026 Service Manual: General Procedures - Driveshaft Angle Measurement

Check NOTE: Prior to checking driveline angularity, inspect the U-joints for correct operation. NOTE: An incorrect driveline angle can cause a vibration or shudder. NOTE: Driveline angularity is the angular relationship between the engine crankshaft, the driveshaft and the rear axle pinion...

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