Lincoln Aviator: Engine System - General Information / General Procedures - Piston Ring End Gap
Special Tool(s) /
General Equipment
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
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NOTE:
Use care when fitting piston rings to avoid possible damage to the piston ring or the cylinder bore.
NOTE:
Piston rings should not be transferred from one piston to another.
NOTE:
The cylinder bore must be within specification for taper and out-of-round.
Use a piston without rings to push a piston ring in a cylinder to the bottom of ring travel.
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Using the Feeler Gauge Set measure the top piston ring end gap and the second piston ring end gap
Use the General Equipment: Feeler Gauge
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...
Check
NOTE:
Refer to the appropriate Section 303-01 for the specifications.
NOTE:
The cylinder bore must be within the specifications for taper and out-of-round before fitting a piston...
Other information:
Special Tool(s) /
General Equipment
Interior Trim Remover
Removal
NOTE:
Removal steps in this procedure may contain installation details.
Remove the front wheels and tires.
Refer to: Wheel and Tire (204-04A Wheels and Tires, Removal and Installation)...
System Operation
System Diagram
Item
Description
1
IPC
2
GWM
3
HVAC
4
Second row air distribution door actuator
5
Second row temperature door actuator
6
Blower motor relay
7
Second row blower motor control module
8
Second row blower motor
9
FCIMB
10
RHVAC (Rear Non touch screen)
11
Second row air discharge temperature sensor
12
Second row air flow shut off door actuator
13
RACM (Rear Touch screen)
14
APIM ( FDIM Touch Screen)
15
Rear temperature sensor - Second Row
16
Rear temperature sensor - Third Row
Network Message Charts
Module Network Input Messages - APIM
Broadcast Message
Originating Module
Message Purpose
Climate control button status
HVAC control module
This message contains the HVAC climate control settings for the touch screen display...