Lincoln Aviator: Engine System - General Information / General Procedures - Piston Inspection
Inspection
-
NOTE:
Do not use a caustic cleaning solution or a wire brush to clean the pistons or damage can occur.
Clean and inspect the (1) ring lands, (2) pin bosses,
(3) skirts and the (4) tops of the pistons. If wear marks, scores or
glazing is found on the piston skirt, check for a bent or twisted
connecting rod.
-
NOTE:
Make sure the oil ring holes are clean.
Using a Piston Ring Groove Scraper, clean the piston ring grooves.
Check
Measure the piston diameter 90 degrees from the piston
pin and piston diameter (DN) height down from the top of the piston at
the point indicated...
Special Tool(s) /
General Equipment
Feeler Gauge
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
NOTE:
Use care when fitting piston rings to avoid possible damage to the piston ring or the cylinder bore...
Other information:
System Operation
System Diagram
E344777
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1
TPMS
Sensor
2
TPMS
Sensor
3
TPMS
Sensor
4
TPMS
Sensor
5
GWM
6
BCM
7
IPC
Message
Center
Display
8
TPMS
Warning
Indicator
9
RTM
10
IPC
MS-CAN
HS-CAN3
HS-CAN1
Item
Description
1
LF
TPMS Sensor
2
RF
TPMS Sensor
3
LR
TPMS Sensor
4
RR
TPMS Sensor
5
GWM
6
BCM
7
IPC Message Center Display
8
TPMS Warning Indicator
9
RTM
10
IPC
Network Message Chart
BCM
TPMS Network Input Messages
Broadcast Message
Originating Module
Message Purpose
TPMS data
RTM
Communicates tire pressure information to the BCM
TPMS Function
NOTE:
When directed to train any TPMS sensors, use only the sensor training procedure outlined in this manual...
Overview
Item
Description
1
SSF
2
F clutch control valve
3
F clutch latch valve
4
F clutch apply circuit
5
F clutch piston
6
F clutch assembly
7
Ring gear No...