Lincoln Aviator: Engine System - General Information / General Procedures - Piston Inspection
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. If wear marks, scores or
glazing is found on the piston skirt, check for a bent or twisted
connecting rod.
-
NOTE:
Make sure the oil ring holes are clean.
Using a Piston Ring Groove Scraper, clean the piston ring grooves.
Check
Measure the piston diameter 90 degrees from the piston
pin and piston diameter (DN) height down from the top of the piston at
the point indicated...
Special Tool(s) /
General Equipment
Feeler Gauge
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...
Other information:
WARNING: The system will only
provide protection when you use the
seatbelt correctly.
This system monitors all seating positions
and provides audio and graphic feedback.
This lamp illuminates and a
warning tone sounds if you do not
fasten your seatbelt when you
switch the ignition on...
Removal
NOTE:
If the catalytic converter is not being replaced, the HO2S
and the catalyst monitor sensor do not need to be removed from the
catalytic converter. Disconnecting the electrical connectors is still
necessary.
NOTE:
The exhaust Y-pipe dual catalytic converter is a 2-piece assembly...