Lincoln Aviator: Hydraulic Brake Actuation / Removal and Installation - Brake Pedal and Bracket
Removal
NOTE:
Removal steps in this procedure may contain installation details.
-
Remove the BCM.
Refer to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
-
NOTICE:
Do not service the brake pedal or brake booster
without first removing the stoplamp switch. The switch must be removed
with the brake pedal in the at-rest position. The switch plunger must be
compressed for the switch to rotate in the bracket. Attempting to
remove the switch when the plunger is extended (during pedal apply) will
result in damage to the switch.
Remove the stoplamp switch.
Refer to: Stoplamp Switch (417-01 Exterior Lighting, Removal and Installation).
-
Push inward on the tabs and remove the clevis pin. Discard the clevis pin.
-
Remove the brake pedal and bracket assembly mounting nuts and bolts. Discard the nuts and bolts.
Installation
-
NOTICE:
Do not press, pull or otherwise move the brake pedal
while installing the stoplamp switch. The switch must be installed with
the booster push rod attached to the brake pedal and with the brake
pedal in the at-rest position. Installing the switch with the brake
pedal in any other position will result in incorrect adjustment and may
damage the switch.
To install, reverse the removal procedure.
-
Install the brake pedal and bracket assembly and tighten the new nuts and bolts in the sequence shown.
Torque:
177 lb.in (20 Nm)
Removal
NOTICE:
Siphon the brake fluid from the HCU/EBB reservoir, if the
reservoir is not emptied there will be a large amount of brake fluid
spilled in the engine compartment...
Removal
NOTICE:
Siphon the brake fluid from the HCU/EBB reservoir, if the
reservoir is not emptied there will be a large amount of brake fluid
spilled in the engine compartment...
Other information:
Preliminary Inspection
Visually inspect the housing, seals, drive pinion stem for obvious signs of mechanical damage.
If an obvious cause for an observed or reported concern is
found, correct the cause (if possible) before proceeding to the next
step
If the cause is not visually evident, verify the symptom and REFER to Symptom Chart: NVH...
System Operation
Headlamps - Low Series
System Diagram
Item
Description
1
HS-CAN2
2
BCM
3
LH low beam
4
LH high beam
5
RH low beam
6
RH high beam
7
SCCM
8
LH steering column multifunction switch
9
IPMA
10
GWM
11
HS-CAN1
12
Start/Stop switch
13
HCM
14
LIN
15
LIN
16
PCM
17
LH headlamp
18
RH headlamp
19
LH front suspension height sensor
20
LH rear suspension height sensor
21
Headlamp switch
22
(If equipped automatic headlamp leveling)
23
LIN
24
LIN
Network Message Chart
BCM Network Input Messages
Broadcast Message
Originating Module
Message Purpose
Headlamp flash to pass status
GWM
Indicates to the BCM a request for the high beams or flash-to-pass...