Plymouth Valiant V-100 1965 Service – Technical Manual page 99

G R O U P 5
CONTENTS
DESCRIPTION
.........................
1 POWER BRAKE-KELSEY HAYES
. . . . . . . . . .
18
SERVICE DIAGNOSIS
. . . . . . . . . . . . . . . . . . .
1 POWER BRAKE-MIDLAND ROSS
. . . . . . . . .
24
SERVICE BRAKES
......................
3 SPECIFICATIONS
. . . . . . . .
In Back of
the Manual
PARKING BRAKES
.....................
13 TIGHTENING REFERENCE
. .
In Back of
the
Manual
POWER BRAKE-BENDlX
. . . . . . . . . . . . . . . .
15
Page Page
Description
The 1965 Plymouth Models have a self-adjusting
servo contact, two shoe, internal expanding brake. The
lower ends of the brake shoes are connected by a
tubular star wheel adjusting screw (Figs. 1 and 2).
Police vehicles with heavy duty brakes are not self-
adjusting.
SERVICE DIAGNOSIS
Correction
Condition Possible Cause
SERVICE BRAKES
PEDAL
GOES TO
THE
FLOOR
(b)
Improperly adjusted brake.
(a) Fluid low in reservoir.
(c) Excessively worn brake lining.
(d)
Leaking wheel cylinders.
(e) Loose or broken brake lines.
(f)
Air in hydraulic brake system.
(9) Ledking or worn master cylinder.
(a)
Fill
and bleed the master cylinder.
(b) Repair or replace self-adiuster.
(c)
Reline and adjust brakes.
(d)
Recondition or replace the wheel cylinder and
replace both brake shoes.
(e) Tighten all brake fittings or replace the brake
line.
(f) Fill
and bleed the hydraulic brake system.
(9) Recondition or replace the master cylinder and
bleed the hydraulic system.
SPONGY BRAKE PEDAL (a) Air in hydraulic system.
(b)
Improper brake fluid (low boiling point).
(c) Excessively worn or cracked brake drums.
(d)
Broken pedal pivot bushing.
(a)
Fill
the master cylinder and
bleed
the hydraulic
(b)
Drain, flush and refill with brake fluid.
(c) Replace all defective brake drums.
(d)
Replace nylon pivot bushing.
system.
1
BRAKES PULLING (a) Incorrect brake adjustment.
(b) Contaminated lining.
(c) Unmatched brake lining.
(d)
Brake drums out of round.
(e) Brake shoe distorted.
(f)
Restricted brake hose or line.
(9) Front end out
of
alignment.
(h)
Broken rear spring.
SQUEALING BRAKES
(a) Dust in brakes or scored brake drums.
(b)
Weak or broken brake shoe retaining spring.
(c) Incorrect brake lining.
(d)
Distorted brake shoes.
(e) Bent support plate.
(f)
Broken or weak brake shoe.
(9) Contaminated brake lining.
(h)
Saturated brake lining.
(a) Adjust the brakes and check the fluid.
(b) Replace contaminated lining.
(c) Install correct lining.
(d)
Grind or replace brake drums.
(e) Replace faufiy brake shoes.
(f) Replace the plugged hose or brake line.
(9) Align the front end.
(h) Replace the broken spring.
(a) Blow out brake assembly with compressed air
(b)
Replace retaining spring.
(c) Install brake lining.
(d)
Replace brake shoes.
(e) Replace support plate.
(f)
Replace return spring.
(9) Replace brake lining.
(h)
Replace the saturated lining.
and grind brake drums.