Lincoln Aviator 2020-2022 Service Manual / Powertrain / Engine / Starting System - 3.0L EcoBoost / General Procedures - Starter Motor Drive Gear and Flywheel Ring Gear Inspection

Lincoln Aviator: Starting System - 3.0L EcoBoost / General Procedures - Starter Motor Drive Gear and Flywheel Ring Gear Inspection

Inspection

Remove the starter motor.
Refer to: Starter Motor (303-06A Starting System - 3.0L EcoBoost, Removal and Installation).

Check the wear patterns on the starter motor drive gear and the flywheel or flexplate ring gear. If the wear pattern is normal, then install the starter motor.
Refer to: Starter Motor (303-06A Starting System - 3.0L EcoBoost, Removal and Installation).

If the starter motor drive gear and the flywheel or flexplate ring gear are not fully engaging and the starter motor drive gear is scored or damaged, then install a new starter motor.
Refer to: Starter Motor (303-06A Starting System - 3.0L EcoBoost, Removal and Installation).

If the teeth on the flywheel or flexplate ring gear are scored or damaged, then install a new flywheel or flexplate.
Refer to: Flexplate (303-01A Engine - 3.0L EcoBoost, Removal and Installation).

Diagnosis and Testing - Starting System - 3.0L EcoBoost

Diagnostic Trouble Code (DTC) Chart 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)...

Removal and Installation - Starter Motor

Removal WARNING: Always disconnect the battery ground cable at the battery before disconnecting the starter motor battery terminal lead. If a tool is shorted at the starter motor battery terminal, the tool can quickly heat enough to cause a skin burn...

Other information:

Lincoln Aviator 2020-2022 Service Manual: Description and Operation - Battery and Cables - Overview

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Lincoln Aviator 2020-2022 Service Manual: Removal and Installation - A-Pillar Trim Panel

Special Tool(s) / General Equipment Interior Trim Remover Removal NOTE: LH (left hand) shown, RH (right hand) similar. Release the clips and remove the instrument panel side trim panel. Use the General Equipment: Interior Trim Remover Remove the cowl side trim panel...

Child Seats

Lincoln Aviator. Child Seats

Use a child restraint (sometimes called an infant carrier, convertible seat, or toddler seat) for infants, toddlers and children weighing 40 lb (18 kg) or less (generally four-years-old or younger).

Using Lap and Shoulder Belts

WARNING: Do not place a rearward facing child restraint in front of an active airbag. Failure to follow this instruction could result in personal injury or death.