Lincoln Aviator: Engine System - General Information / General Procedures - Piston Inspection
Inspection
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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 - Heated/Ventilated Seats
Item
Description
1
RACM
2
MS-CAN
3
SCMF
4
LH Rear Seat
5
Cushion Temp Sensor
6
RH Rear Seat
7
Backrest Heater Mat
8
Cushion Heater Mat
9
Cushion and Backrest Blower Motors
10
Backrest Heater Mat
11
Cushion Heater Mat
12
Cushion Temp Sensor
13
Cushion and Backrest Blower Motors
14
HS-CAN3
15
GWM
Network Message Chart - Heated/Ventilated Seats
SCMF (rear seat climate control module) Network Input Messages
Broadcast Message
Originating Module
Message Purpose
Seat control requests
RACM control module
Contains the heated/ventilated seat request information...
Removal
NOTE:
This procedure is for vehicles equipped with power head restraint only.
NOTE:
Drivers seat shown, passenger seat similar.
Remove the front seat.
Refer to: Front Seat (501-10A Front Seats, Removal and Installation).
Remove the front seat backrest panel...