Lincoln Navigator: Engine System - General Information / Piston Inspection. General Procedures
Inspection
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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.
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Piston Diameter. General Procedures
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...
Piston Ring End Gap. General Procedures
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 Navigator 2018-2025 Workshop Manual: Driver Side Register. Removal and Installation
Removal NOTE: Removal steps in this procedure may contain installation details. Detach the clips and remove the lower steering column opening cover. Detach the clips and remove the instrument panel lower side trim panel...
Lincoln Navigator 2018-2025 Workshop Manual: Parking Aid - System Operation and Component Description. Description and Operation
System Operation Parking Aid - Audible NOTE: Refer to owner literature for additional details for the use and operation Parking Aid system. The available parking aid features are dependant on the vehicle trim level and options selected...
Categories
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- Body Control Module (BCM). Removal and Installation
- Power Running Board (PRB). Diagnosis and Testing
- Transmission Fluid Level Check. General Procedures
- Second Row Seat. Removal and Installation
- Remote Function Actuator (RFA) Module. Removal and Installation
Diagnostic Methods. Description and Operation
This document provides critical diagnostic knowledge required for successful repair outcomes. It identifies technical competencies expected by users of this manual.
Ford Diagnostic Assumptions
Ford diagnostics assume the vehicle concern described by the test title is currently present. Exceptions to this rule are noted in each test. Do not replace modules or other components as directed by a diagnostic if the concern is not present at the time of testing.
