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Cadillac
without locking when the car is in any drive
range with the engine running.
C. The power brake vacuum booster assures de-
pendable high speed and high altitude braking
performance.
D. Corrosion-resistant brake lines and rayon cord
brake hoses assure increased durability and long
life.
E. Wheel cylinder pistons are super-hard and self-
lubricating for maximum reliability and long life.
F. Front disc brakes have a ventilated rotor with
center openings that allow air to flow past the
braking surface for extremely rapid cooling. A
shield protects the inboard disc and lining
against road splash. The wheel envelopes the
iple Braking System (conti n ued)
outboard disc and lining to complete the
shielding.
G. The two rear brake drums are finned for fast heat
dissipation. A flange on the rear brake backing
plate shields interior of drums from water. Rear
brakes adjust automatically when the car is in
reverse and the brakes applied.
H. Front disc brakes adjust themselves automati-
cally during brake application. Correct shoe/
rotor clearance is provided by a piston sliding on
a piston seal during braking, placing the seal
under tension. The piston gradually changes
position relative to the seal as the brake lining
wears, thereby maintaining proper shoe/rotor
clearance.
Shock Absorbers
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Another feature that contributes to Cadillac's luxuri-
ous ride and outstanding handling is the exclusive
shock absorber, with a gas-filled nylon envelope to
prevent air from mixing with the fluid. Both front
and rear shock absorbers are specially calibrated to
precision level the car with the slightest movement
and make shock absorption smooth and easy. They
are also designed to give uniform action in a variety
of climates.
Front Suspension
Cadillac's independent spring-type front suspen-
sion, which accounts for its famed ride and handling,
has been improved for 1969. The helical-coil springs
have been adjusted for better load characteristics,
giving neither too firm a ride nor too soft a ride. New
upper control arm rubber bushings increase the
cushioning of road noise. Strut rods are mounted
to the lower control arms and, through rubber bush-
ings, to the frame crossmember for proper wheel
alignment. Yet they do permit a momentary rearward
deflection of the wheel when it encounters a road
bump for a softer ride.
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