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:
LH side shown, RH side similar.
Remove the front door trim panel.
Refer to: Front Door Trim Panel (501-05 Interior Trim and Ornamentation, Removal and Installation).
Remove the front door lock control switch...
Check
WARNING:
Invisible ultraviolet and infrared rays emitted in welding
can injure unprotected eyes and skin. Always use protection such as a
welder's helmet with dark-colored filter lenses of the correct density.
Electric welding will produce intense radiation, therefore, filter plate
lenses of the deepest shade providing adequate visibility are
recommended...