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:
System Operation
System Diagram - Exterior, Power, Without Memory
Item
Description
1
Exterior mirror control switch
2
LH front door window control switch
3
LIN
4
MS-CAN
5
DDM
6
PDM
7
LH exterior mirror
8
RH exterior mirror
Network Message Chart
Module Network Input Messages — PDM
Broadcast Message
Originating Module
Message Purpose
Passenger mirror command
DDM
Contains the movement requests for the RH exterior mirror glass generated by the exterior mirror control switch...
Note: The system may not correctly operate
when towing a trailer. For vehicles with an
approved trailer tow module and tow bar,
the system turns off when you attach a
trailer. For vehicles with an aftermarket
trailer tow module or tow bar, we
recommend that you switch the system off
when you attach a trailer...