Lincoln Nautilus: Power Brake Actuation / Brake Booster. Removal and Installation
Removal
NOTICE:
Do not spill brake fluid on painted or plastic surfaces or
damage to the surface may occur. If brake fluid is spilled onto a
painted or plastic surface, immediately wash the surface with water.
NOTE:
Removal steps in this procedure may contain installation details.
-
Remove the battery tray.
Refer to: Battery Tray (414-01 Battery, Mounting and Cables, Removal and Installation).
-
Remove the nut, bolt and the battery tray support bracket.
Torque:
18 lb.ft (24 Nm)
-
Detach the check valve from the brake booster.
-
Disconnect the brake fluid level sensor and detach the wiring retainer.
-
NOTE:
Make sure that the master cylinder-to-booster seal is removed with the master cylinder.
Disconnect the brake tube fittings, remove the nuts and
remove the brake master cylinder and brake tubes as an assembly. Discard
the nuts and O-ring seal.
Torque:
1.:
21 lb.ft (28 Nm)
2.:
18 lb.ft (25 Nm)
-
Remove the nuts, disconnect the electrical connector and remove the LH insulator panel.
-
NOTICE:
Do not service the brake pedal or brake booster
without first removing the stoplamp switch. This 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).
-
Compress the tabs and remove the clevis pin. Discard the pin.
-
Remove and discard the nuts.
Torque:
17 lb.ft (23 Nm)
-
Disconnect the brake booster vacuum sensor electrical connector.
-
Remove the brake booster.
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.
-
Bleed the brake system.
Refer to: Brake System Pressure Bleeding (206-00 Brake System - General Information, General Procedures).
Materials
Name
Specification
Motorcraft® High Performance Engine RTV SiliconeTA-357
WSE-M4G323-A6
Motorcraft® Silicone Gasket RemoverZC-30-A, AZC-30-C
-
Motorcraft® Metal Surface Prep WipesZC-31-B
-
Motorcraft® Metal Brake Parts CleanerPM-4-A, PM-4-B, APM-4-C
-
Removal
NOTE:
Removal steps in this procedure may contain inst..
Other information:
Stopping the Liftgate Movement
Note: Do not apply sudden excessive force
to the liftgate while it is in motion. This could
damage the power liftgate and its
components.
Note: Selections will vary depending on
region or options.
You can stop the liftgate movement by doing
any of the following:
Pressing the outside liftgate control
button.
Pressing the inside liftgate control button.
Pres..
Special Tool(s)
MASTERTECH MTS-4000 ANALYZER257-00018
EngineEAR107-R2100Chassis EarsJSP97170 Squeak And Rattle Kit164-R4900
Ultrasonic Leak Detector134-R0135
Diagnostic Theory
The shortest route to an accurate diagnosis results from:
System knowledge, including comparison with a known good system.
System history, including r..