Cadillac 1967 VVI Data Book page 145

All Cadillacs are equipped with self-adjusting brakes which
eliminate periodic brake adjustments. The self-adjusting mech-
anism is actuated, as needed, whenever the car is moved in
reverse and the brakes applied. It is possible, however, for
excessive brake pedal travel to develop if the required reverse
movement with the brake application does not take place
during a prolonged period of stop and go forward driving.
Should this occur, the car should be driven backward and
forward with the brakes applied at the end of each directional
movement, until the brake pedal travel is back to normal. If
this procedure fails to restore normal pedal travel, or if any
abnormally rapid increase in pedal travel is experienced, im-
mediate inspection should be made by your Authorized
Cadillac Dealer. Care should be exercised to assure that full
brake pedal travel cannot be obstructed by improper floor
mats or other interfering material under the pedal.
Brake lining should be inspected periodically for wear. The
frequency of this inspection depends upon driving conditions
such as traffic or terrain and also the driving habits of indi-
vidual owners. Your Cadillac Dealer is best qualified to advise
you as to how often this inspection should be performed.
When brakes require relining, use genuine General Motors
parts, or an equivalent of the highest quality.
17
Power Brakes
Cadillac power brakes utilize engine vacuum to reduce the
braking effort to much less than is required with regular
brakes. A built-in vacuum reserve will supply two or more
power assisted brake applications after the engine has stopped.
After the vacuum reserve has been exhausted, the vehicle can
be stopped utilizing the manual portion of the power brake
system although considerably more foot pressure will be
needed to stop the vehicle.
Braking on hilly terrain
The transmission is designed to supplement the braking
system when driving on hilly terrain. To decrease brake
usage, place the transmission selector lever in the right-
hand "DRIVE" position when descending medium grades and
in the Low "L" range when descending steep grades for
maximum engine braking assist.
Parking brake
To apply the parking brake, step on the parking brake pedal
suspended from the underside of the instrument panel to the
left of the power brake pedal. It will lock into place automati-
cally when the transmission is in "Park" or "Neutral" with