GMC 1976 ZEO 6083 Maintenance Manual page 240

Figure 16-Tool J-22269 on Caliper
15 . Clean bearing then inspect for wear or dam-
age. If bearing condition is good repack with bearing
grease GM No . 1051344 or equivalent .
16 . Remove seal and retainer.
17 . Remove four bolts and separate disc from hub
as shown in Figure 58 .
POWER BRAKE BOOSTER
REMOVAL
1 . Remove four screws from power level control
panel.
Figure 17-Removing Retainer from Knuckle
Figure 18-Installing Tool J-24717
BRAKES
5- 2 1
2. Pull panel and valve assemblies out of the way,
as shown in Figure 20 .
3. Remove clevis pin from brake pedal (Refer to
figure 21).
4. Remove master cylinder, see "Master Cylinder
Removal" earlier in this section.
5 . Remove master cylinder bracket by removing
two bolts from top of bracket.
6. Remove vacuum line to power brake booster.
7. Remove four nuts retaining booster assembly
to firewall, as shown in Figure 22 .
8. Remove booster assembly through left front
access door .
PARKING BRAKE LEVER
REMOVAL
1 . Remove four nuts and bolts retaining lever to
toe board (Refer to figure 23).
2. Remove two nuts and bolts on cable retaining
bracket, as shown in Figure 24 .
3. Remove pin from bracket retaining cable end.
4. Remove one screw holding switch to parking
brake lever.
5. Remove lever.