Specifications

PART
2-2-Brake System
REMOVAL AND INSTALLATION
DUAL MASTER CYLINDER
-
STANDARD BRAKES
REMOVAL
Refer to Figs. 22 and 23.
1.
Working from inside the vehicle
below the instrument panel, disconnect
the master cylinder push rod from the
brake pedal assembly.
The push rod
cannot be removed from the
master
cylinder.
2.
Disconnect the stoplight switch
wires at the connector. Remove the
hairpin retainer. Slide the stop light
switch off the brake pedal pin just
far enough to clear the end of the pin,
then lift the switch straight upward
from the pin.
Use
care to avoid switch
damage during removal.
3.
Slide the master cylinder push
rod and the nylon washers and bush-
ings of the brake pedal pin.
4.
Remove the brake tubes from
the primary and secondary outlet
ports of the master cylinder.
5.
Remove the lock nuts or screws
that secure the master cylinder to the
dash panel and lift the cylinder for-
ward and upward from the car.
INSTALLATION
Refer to Figs. 22 and 23.
1.
Position the boot on the push rod
and secure the boot to the master cyl-
inder. Carefully insert the master cyl-
inder push rod and boot through the
dash panel opening.
2.
On Fairlane, Falcon or Comet
models, position the master cylinder
on the mounting studs on the dash
panel. Install the lock nuts on the
studs at the dash panel and torque
them to specification.
3.
On Mustang or Couger models,
position the master cylinder on the
dash panel. Install the retaining screws
and torque them to specification.
Coat the nylon bushings with SAE
IOW oil. Install the nylon washer
and bushing on the brake pedal pin.
4.
Position the stop light switch
on the brake pedal pin, install the
nylon bushing and washer and se-
cure them in position with the hairpin
retainer.
5.
Connect the wires at the stop
light switch connector.
6.
Connect the brake lines to the
master cylinder leaving the brake
line fittings loose.
7.
Fill the master cylinder with the
specified brake fluid to within
114
to 112 inch of the dual reservoirs.
Use Rotunda Brake Fluid
-
Extra
Heavy Duty
-
Part Number C6AZ-
RETAINER
-
20245
I
,
COVER
-
2166
SECONDARY SYSTEM
BRAKEOUTLET
SNAP
RlNG
-
7821
PUSH ROD
\
/
PISTO;
STOP
'
O.RING
-
87002.S93
I
PRO~~CTOR
\
BOLT
-
2ASl
l
rKlMHKl r13
1
UN
ZPDINC
ASSEMBLY
-
2169
-.
..,..-
*
SECONDARY PISTON
ASSEMBLY
-
2A502
t
T.uBE SEAT
-
28220
NOT USED ON POWER BRAKE EWlPPED VEHICLES
NOT
SERVICE0
'REPLACE
AS
AN
ASSEMBLY
ONLY
FIG. 22- Dual Master Cylinder Disassembled-Except Disc Brakes
RETAINER
-
20245
COVEp
-
2166
GASKET
-2167\
SPRING RETURN
RETURN SPRING
*REPLACE AS
ASSEMBLY ONLY
SECO~DAR
BRAKE SYST
OUTLET
MASTER CYLINDER
/
BOOY
-
2155
\
cup
/
,RETURN SPRING
SNAP
RlNG
-
7821
FIG. 23-Dual Master Cylinder Disassembled-Disc Brakes