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
MIG/MAG Welding Equipment
Spot Weld Drill Bit
Removal
NOTICE:
The rear side member(s) are constructed of Dual Phase
(DP) 800 steel and cannot be sectioned. Side member assembly must be
replaced at factory joints...
DTC Chart: DDM
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).
DDM
DTC Chart
DTC
Description
Action
B1C03:23
Memory #1 Switch: Signal Stuck Low
GO to Pin..