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:
System Diagram
Item
Description
1
DDM
2
SCCM
3
Memory set switch
4
DSM
5
BCM
6
MS-CAN
7
HS-CAN2
8
Steering column control switch
9
Steering column tilt motor
10
Hall effect sensor
11
GWM
12
Steering column telescopic motor
13
Hall effect sensor
14
HS-CAN1
System Operation
Network Message Chart - Power Adjustable Steering Column
Module Network Input Messages
Broadcast Message
Originating Module
Message Purpose
Ignition status
BCM
Communicates the ignition status to initiate the easy entry and exit feature...
System Operation
System Diagram
Item
Description
1
FDIM
2
Microphone
3
APIM
4
GWM
5
Ambient Air Temperature (AAT) sensor
6
PCM
7
A/C pressure transducer
8
A/C clutch relay ( BCMC)
9
A/C compressor clutch field coil
10
Externally Controlled Variable Displacement Compressor (EVDC)
11
Sunload sensor
12
In-vehicle temperature and humidity sensor
13
Evaporator temperature sensor
14
HVAC control module
15
Air distribution door actuator
16
Temperature door actuator
17
Passenger side temperature door actuator
18
Air inlet door actuator
19
Blower motor relay (BCMC)
20
Blower motor control module
21
Driver side register air discharge temperature sensor
22
Passenger side register air discharge temperature sensor
23
Driver side footwell air discharge temperature sensor
24
Ambient air quality sensor (if equipped)
25
Passenger side footwell air discharge temperature sensor
26
SOBDMC
27
ACCM
28
BCM
29
Particulate filter sensor (if equipped)
Network Message Chart
ACCM - Module Network Input Messages
Broadcast Message
Originating Module
Message Purpose
Ambient air temperature filtered
PCM \ PCM_ HEV
This message contains the climate control system controls ambient air temperature information...