Lincoln Aviator: Engine System - General Information / General Procedures - Valve Stem Diameter
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
-
Measure the diameter of each intake and exhaust valve
stem at the points shown. Verify the diameter is within specification.
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
NOTE:
Valve guides tend to wear in an hourglass pattern.
The ball gauge can be inserted into the combustion chamber side of the
valve guide, if necessary...
Other information:
Removal
NOTE:
Removal steps in this procedure may contain installation details.
Remove the LH loadspace trim panel.
Refer to: Loadspace Trim Panel (501-05 Interior Trim and Ornamentation, Removal and Installation).
Remove the rear lamp fade control module...
System Operation
System Diagram - DCDC
Item
Description
1
Ignition Switch
2
PCM
3
SOBDMC
4
BCM
5
BECM
6
DCDC
7
High Voltage/Low Current Fuse
8
12V Battery Monitoring Sensor
Network Message Chart
DCDC Network Input Messages
Broadcast Message
Originating Module
Message Purpose
DCDC
HEV wake up enable
BECM, BCCM (battery charger control module) ( PHEV only)
Command to enable the DCDC
DCDC
HEV wake up enable
SOBDMC
Hard wired command to enable the DCDC
High voltage input
SOBDMC
Voltage measured at SOBDMC used to compare with voltage at the DCDC...