Pontiac FIREBIRD 1972 Service Manual page 415

5-12 1972 PONTIAC SERVICE MANUAL
MASTER CYL.
PLENUM
PUSH ROD
REINFORCEMENT
ITH PEDAL FULLY DEPRESSED',
PUSH SWITCH FORWARD UNTIL IT
STOPS AGAINST PEDAL ARM. PULL
VIEW A
PEDAL REARWARD WlTH 15 TO 20
LBS. FORCE TO PROPERLY ADJUST
SWITCH.
-
Fig. 5-4 B Series Power Brake System
1.
Turn ignition on.
4. Open one wheel cylinder bleed screw in rear brake
system. (Leave front system secure).
2. Determine if bulb is functioning by depressing and
then releasing parking brake.
5. Depress brake pedal.
Do not
release pedal. The light
should come on due to a pressure difference between
3. Check to make sure both master cylinder reservoirs
front and rear systems. Approximately 150-250 psi
are full.
differential is needed to operate brake-light.
HOLD PUSH ROD A N D
TORQUE CLEVIS TO
ARM A N D
PAD ASSEMBLY
FLOOR P A N
CRUISE CONTROL ONLY
:ELIN
WlTH PEDAL FULLY DEPRESSED.
SH SWITCHES FORWARD UNTIL
THEY STOP AGAINST BRACKET
OR ARM. PULL PEDAL REARWARD
WlTH I5 TO 20 LDS. FORCE TO
OPERLY ADJUST SWITCHES.
HOLD
I
FLOOR P A N
CRUISE CONTROL ONLY
- - -
Fig. 5-5 A Series Manual Brake System