Lincoln Aviator: Engine System - General Information / General Procedures - Piston Ring End Gap
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:
WARNING: Vehicle modifications
involving braking system, aftermarket roof
racks, suspension, steering system, tire
construction and wheel and tire size may
change the handling characteristics of your
vehicle and may adversely affect the
performance of the electronic stability
control system...
Removal
Remove the hood latch release handle.
Rotate the hood latch release handle.
NOTE:
Do not remove the retaining clip from the hood latch release handle.
Release the retaining clip.
Remove the hood latch release handle...