Lincoln Nautilus: Engine System - General Information / Piston Ring End Gap. General Procedures
Special Tool(s) /
General Equipment
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.
NOTE:
Piston rings should not be transferred from one piston to another.
NOTE:
The cylinder bore must be within specification for taper and out-of-round.
Use a piston without rings to push a piston ring in a cylinder to the bottom of ring travel.
-
Using the Feeler Gauge Set measure the top piston ring end gap and the second piston ring end gap
Use the General Equipment: Feeler Gauge
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...
Check
NOTE:
Refer to the appropriate Section 303-01 for the specifications.
NOTE:
The cylinder bore must be within the specifications for taper and out-of-round before fitting a piston...
Other information:
Removal
NOTE:
Removal steps in this procedure may contain installation details.
Remove the inboard child safety seat tether anchor bezel.
Release the backrest lower J-clip. Unzip the inboard backrest cover and remove the armrest fasteners...
Check
NOTE:
If there is a concern with one of the following components
and Bezel Diagnostics cannot be accessed, obtain the module part number
by referencing the label attached to the module.
Inoperative ACM
Inoperative (blank or does not power on) display unit (non-touchscreen display or touchscreen display)
Inoperative radio control panel
Inoperative steering wheel sw..