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 2018-2026 Workshop Manual: Condenser Core Leak Check. General Procedures
Inspection Recover the refrigerant. Refer to: Air Conditioning (A/C) System Recovery, Evacuation and Charging (412-00 Climate Control System - General Information, General Procedures). Disconnect the condenser from the A/C system...
Lincoln Navigator 2018-2026 Workshop Manual: Airbag Supplemental Restraint System (SRS). Diagnosis and Testing
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). NOTE: Unlisted Diagnostic Trouble Codes (DTCs) are often retrieved as a result of incorrect repair procedures...
Categories
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- Transmission Fluid Drain and Refill. General Procedures
- Power Running Board (PRB). Diagnosis and Testing
- Remote Function Actuator (RFA) Module. Removal and Installation
- Transmission Fluid Level Check. General Procedures
- Head Up Display (HUD) Module Calibration. General Procedures
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.
