Lincoln Aviator: Front Suspension - RWD / Disassembly and Assembly - Shock Absorber and Spring Assembly
Special Tool(s) /
General Equipment
DISASSEMBLY
NOTICE:
Suspension fasteners are critical parts that affect the
performance of vital components and systems. Failure of these fasteners
may result in major service expense. Use the same or equivalent parts if
replacement is necessary. Do not use a replacement part of lesser
quality or substitute design. Tighten fasteners as specified.
NOTE:
Disassembly steps in this procedure may contain assembly details.
-
Remove the shock absorber and spring assembly.
Refer to: Shock Absorber and Spring Assembly (204-01A Front Suspension - RWD, Removal and Installation).
-
WARNING:
Coil springs and strut assemblies are compressed
under extreme load. Always use a spring compressor for disassembly.
Follow procedure instructions carefully and make sure the spring
compressor has the correct spring plates or adapters. Failure to follow
these instructions may result in serious personal injury.
NOTICE:
When installing a suitable spring compressor, use care not to damage the spring coating.
NOTICE:
Take extra care not to damage the component.
NOTICE:
Do not use power tools to remove the nut.
Compress the coil spring enough to relieve the tension on the strut assembly.
Use the General Equipment: Spring Compressor
Use the General Equipment: Vise
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NOTE:
Note the position of the components before removal.
NOTE:
Do not use an impact wrench on the strut rod nut.
NOTE:
Use the hex-holding feature to prevent the strut rod from turning while removing the strut rod nut.
Remove and discard the shock absorber and spring
assembly rod nut. Disassemble the front shock absorber and spring
assembly in the order shown.
ASSEMBLY
-
NOTE:
Make sure that the components are installed to the position noted before removal.
To assemble, reverse the disassembly procedure.
-
NOTE:
Make sure that the spring is centered in the lower spring seat.
Make sure that the lower spring isolator pad is properly seated on spring seat.
-
Press the jounce bumper into the top mount’s jounce
bumper cup. Make sure that jounce bumper groove is captured by the four
retention tabs during the assembly.
-
NOTE:
Make sure that the spring is correctly located in the lower spring isolator pad.
Make sure the components are correctly aligned during
assembly. Ensure the coil spring is not resting on the vertical wall of
the lower isolator pad.
-
-
Make sure that the dust cover is clipped into all 12 tabs on the bearing.
-
Make sure that the dust cover is clipped into all 4 tabs on the shock absorber.
-
WARNING:
Take extra care when handling a compressed spring.
Failure to follow this instruction may result in personal injury.
NOTE:
Make sure that the spring coating is not damaged during assembly process.
NOTE:
Typical strut and spring assembly shown.
-
NOTE:
Utilize the hex holding feature to prevent the
strut rod from turning while installing the strut rod nut.
Install the new strut rod nut.
Use the General Equipment: Spring Compressor
Use the General Equipment: Vise
Torque:
41 lb.ft (55 Nm)
-
Install the cap.
-
Install the shock absorber and spring assembly.
Refer to: Shock Absorber and Spring Assembly (204-01A Front Suspension - RWD, Removal and Installation).
Special Tool(s) /
General Equipment
Hydraulic Press
Removal
NOTICE:
Suspension fasteners are critical parts that affect the
performance of vital components and systems...
Special Tool(s) /
General Equipment
Flat Headed Screw Driver
DISASSEMBLY
WARNING:
Vent all air pressure from the air suspension system prior
to disconnecting or removing any air suspension components...
Other information:
Removal
NOTE:
Removal steps in this procedure may contain installation details.
NOTE:
LH side shown, RH side similar.
Open the door.
Remove the check arm bolt.
Torque:
18 lb.ft (25 Nm)
Disconnect the rear door electrical connector...
System Operation
System Diagram - Supplemental Restraint System (SRS)
Item
Description
1
RCM
2
Ignition Switch
3
GWM
4
Driver Seatbelt Buckle Switch
5
Passenger Seatbelt Buckle Switch
6
RHFront Impact Severity Sensor
7
Driver Door Side Impact Sensor
8
Driver C-Pillar Side Impact Sensor
9
Passenger Belt Tension Sensor (BTS)
10
Passenger Seat Position Sensor
11
Driver Seat Position Sensor
12
APIM
13
Passenger Door Side Impact Sensor
14
BCM
15
Driver Second Row Seatbelt Buckle Switch
16
Passenger Second Row Seatbelt Buckle Switch
17
LH Front Impact Severity Sensor
18
OCSM
19
Center Second Row Seatbelt Buckle Switch
20
Passenger C-Pillar Side Impact Sensor
21
Driver Third Row Seatbelt Buckle Switch
22
Passenger Third Row Seatbelt Buckle Switch
23
IPC
Item
Description
1
Passenger Seatbelt Anchor Pretensioner
2
Driver Seatbelt Anchor Pretensioner
3
Driver Seatbelt Retractor Pretensioner
4
Passenger Side Curtain Airbag
5
Driver Side Curtain Airbag
6
Passenger Side Airbag
7
Driver Side Airbag
8
Passenger Airbag (Stages 1 and 2)
9
Driver Airbag (Stages 1 and 2)
10
RCM
11
BCM
12
Passenger Seatbelt Adaptive Load Limiter
13
Passenger Seatbelt Retractor Pretensioner
14
Passenger Load Limiting Retractor
15
Passenger Airbag Vent (if equipped)
16
Passenger Knee Airbag
17
Driver Knee Airbag
18
Driver Second Row Seatbelt Retractor
19
Passenger Second Row Seatbelt Retractor
Network Message Chart - Supplemental Restraint System (SRS)
Module Network Input Messages - RCM
Broadcast Message
Originating Module
Message Purpose
eCall confirmation
APIM
Used for SYNC® 911 Assist™ operation...