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:
Inspection and Verification - Engine Performance
NOTE:
There are 2 diagnostic paths that can be followed depending
on the type of engine concern. Carry out Inspection and Verification -
Engine Performance or Inspection and Verification - NVH.
Some engines and
transmissions are equipped with PTLP (powertrain limiting and
protection) strategy that will limit power under various conditions to
protect the engine and the transmission...
System Operation
System Diagram
Item
Description
1
HS-CAN2
2
HS-CAN1
3
HS-CAN3
4
SUMA and Air Compressor Assembly
5
LHF Air Spring Solenoid
6
PSCM
7
PCM
8
ABS
9
LHF Height Sensor
10
RHF Height Sensor
11
LHR Height Sensor
12
RHR Height Sensor
13
BCM
14
RHF Air Spring Solenoid
15
LHR Air Spring Solenoid
16
RHR Air Spring Solenoid
17
IPC
18
RCM
19
GWM
Network Message Chart
Module Network Input Messages - SUMA
Broadcast Message
Originating Module
Message Purpose
ABS active
ABS module
Indicates the current ABS activity, on or off...