Lincoln Nautilus: Engine System - General Information / Piston Diameter. General Procedures
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
-
Measure the piston diameter 90 degrees from the piston
pin and down from the top of the piston to the point indicated.
Oil Pressure Test 2.7L EcoBoost & 3.3L Duratec & 5.0L Ti-VCT
NOTE:
It is necessary to disconnect the battery to avoid
setting any DTCs that could cause the PCM to command the oil pressure to
other than what should be observed from a correctly operating system
during the oil pressure test...
Inspection
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...
Other information:
Removal
NOTE:
Removal steps in this procedure may contain installation details.
All vehicles
Remove the rear bumper cover.
Refer to: Rear Bumper Cover (501-19)
.
Vehicles without trailer tow
Remove the rear bumper...
DTC Charts
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).
DTC Chart: Powertrain Control Module (PCM)
PCM
DTC Chart
DTC
Description
Action
P0504
Brake Switch A / B Correlation
..