Cadillac 60 Series 1963 Shop Manual page 189

5-24
BRAKES
DIAGNOSIS CHART (CONT'D.)
CONDITION
No pedal after hard usage.
Hard pedal.
Car pulls to one side when
brakes are applied.
CAUSE
Excessive heat causes fluid to
vaporize.
Faulty vacuum check valve.
Collapsed vacuum hose.
Plugged vacuum hose or fit-
tings.
Leaking front or rear brake
line.
Pedal mechanism binding.
Restricted air filter.
Vacuum leak in unit.
Defective rolling diaphragm.
Lining glazed due to light traf-
fic use.
Incorrect linings used.
Front wheel caster-camber
misadjusted.
Weak or improperly installed
shoe retracting springs.
Oil or brake fluid on linings.
Lining surface contaminated or
slightly charred from fast
break-in.
Different makes of linings used
between left and right sides.
One wheel drags.
CORRECTION
Check parking brake adjust-
ment and make corrections as
required.
Determine whether one or more
wheels are dragging and heat-
ing, and correct.
Check proximity of any brake
pipe to the engine exhaust sys-
tem and correct.
Be sure car is using heavy
duty brake fluid. If in doubt,
drain, flush and refill.
Replace.
Replace or correct.
Clean or replace.
Repair or replace.
Repair.
Clean.
Repair or replace.
Replace.
Resurface lining with medium
sandpaper.
Replace brake shoes or install
new linings.
Correct as required until car
has no "lead" without brakes
applied.
Replace retracting springs as
required.
Replace brake shoe assemblies
or install new linings. Oil
soaked linings cannot be clean-
ed and used again successfully.
Also correct condition which
caused linings to become
soaked.
Sand lining surface.
Different makes of lining have
different braking efficiency.
Replace brake shoes or install
new linings on both sides.
Make corrections to brakes as
required.