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:
LH (left-hand) side shown, RH (right-hand) side similar.
Remove the rear door window top run.
Refer to: Rear Door Glass Top Run (501-11 Glass, Frames and Mechanisms, Removal and Installation).
Remove the rear door window glass...
System Operation
Active Park Assist
System Diagram
Item
Description
1
PCM
2
with 14 or 28 speaker system
3
GWM
4
TRM
5
APIM
6
Audio system display
7
SCCM
8
PSCM
9
ATCM
10
ABS module
11
BCM
12
ACM
13
IPC
14
DSP
15
Rear door speakers
16
Front door speakers
17
IPMB
18
Right front active sensor
19
Left front active sensor
20
Right rear active sensor
21
Left rear active sensor
22
PAM
Network Message Chart
IPMB Network Input Messages
Broadcast Message
Originating Module
Message Purpose
ABS active
ABS module
Disables the active park assist if an ABS activation occurs...