Lincoln Nautilus: Engine System - General Information / Valve Stem Diameter. General Procedures
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
-
Measure the diameter of each intake and exhaust valve
stem at the points shown. Verify the diameter is within specification.
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
NOTE:
Valve guides tend to wear in an hourglass pattern.
The ball gauge can be inserted into the combustion chamber side of the
valve guide, if necessary...
Valve Train Analysis - Engine Off, Valve Cover Removed
NOTE:
The following component inspections are used to diagnose valve train concerns.
Check for damaged or severely worn parts and correct assembly...
Other information:
Special Tool(s) /
General Equipment
Resistance Spotwelding Equipment
Scraper for Straight Edges
Hot Air Gun
8 mm Drill Bit
MIG/MAG Welding Equipment
Spot Weld Drill Bit
Locking Pliers
Materials
Name
Specification
Seam SealerTA-2-B, 3M™ 08308, LORD Fusor® 803DTM
-
Removal
NOTE:
Roof removed for clarity...
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).
Module
DTC
Description
Action
APIM
U0253:00
Lost Communication With Accessory Protocol Interface Module: No Sub Type Information
GO to Pinpoint Test E..