Lincoln Aviator: Engine System - General Information / General Procedures - Crankshaft Main Bearing Journal Clearance
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
-
NOTE:
Crankshaft main bearing journals must be within specifications before checking journal clearance.
Remove the crankshaft main bearing cap and crankshaft main bearing.
-
Position a piece of Plastigage across the crankshaft main bearing surface.
-
NOTE:
Do not turn the crankshaft while carrying out this procedure.
Install and tighten to specifications, then remove the crankshaft main bearing cap.
-
Measure the Plastigage to get the crankshaft main
bearing clearance. The Plastigage should be smooth and flat. A changing
width indicates a tapered or damaged crankshaft or crankshaft bearing.
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
NOTE:
The crankshaft connecting rod journals must be
within specifications to check the connecting rod bearing journal
clearance...
Special Tool(s) /
General Equipment
100-001
(T50T-100-A)
Slide Hammer
Materials
Name
Specification
Motorcraft® Threadlock and SealerTA-25-B
-
Repair
All core plugs
NOTE:
Cylinder block core plug shown, cylinder head core plug similar...
Other information:
The system helps reduce fuel consumption
by automatically stopping and restarting the
engine when your vehicle has stopped. The
engine restarts automatically when you
release the brake pedal.
In some situations, your vehicle may restart
automatically, for example:
To maintain interior comfort...
System Operation
System Diagram - Electric Brake Boost
E347819
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HS-CAN3
HS-CAN1
HS-CAN2
1
IPC
2
RCM
3
BCM
4
PCM
5
GWM
6
ABS/EBB
7
Wheel speed
sensors
8
Brake pedal
Item
Description
1
IPC
2
RCM
3
BCM
4
PCM
5
GWM
6
ABS/ EBB
7
Wheel speed sensors
8
Brake pedal
Network Message Chart
Module Network Input Messages - ABS Module
Broadcast Message
Originating Module
Message Purpose
Accelerator pedal position
PCM
This message is first sent to the GWM and then to the ABS module...