New And Worn Linings; Removing Mounting Bolts - Pontiac Grand Prix Service Manual

DISC BRAKES
5E-3
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NEW SHOE & LINING
READY
FOR REPLACEMENT
Fig. 5E-3 New and Worn Linings
8. Push the bolts through to engage the holes in the
outboard caliper ears, at the same time threading the
bolts into the mounting bracket. Torque bolts to 35 lb.
ft.
NOTE: Replace the shoe and linings on the other fiont
wheel disc brake in exactly the same manner as just
described. Relining 'muit be performed in full axle sets
only.
9. Install wheel and tire assemblies, and torque lug
nuts to 75 lb. ft. (Pontiac) and 70 lb. ft. (Tempest,
Grand Prix and Firebird).
10. Master cylinder fluid level should be as shown in
Section 5. Fill to prescribed level.
11. Pump the brake pedal several times. Check fluid
level and replenish, if necessary.
NOTE: Make sure that the brake hose is not twisted or
kinked.
7. Start the bolts through the sleeves in the inboard
caliper ears and the mounting bracket, making sure
that the ends of the bolts pass under the retaining ears
on the inboard shoe (Fig. 5E-12).
Fig. 5E-4 Removing Mounting Bolts
CAUTION: Do not move car until a firm braki pedal i s
obtained.
NOTE: Whenever the front wheel ,disc brakes are
relined, the rear drum brakes should be checked ako.
CALIPER
-
OVERHAUL
CALIPER
-
REMOVE
Removal of the caliper for overhaul is the same as for
shoe and lining replacement except that it will be
necessary to disconnect the brake hose at the caliper.
Discard the copper gasket on each side of the brass
hose fitting.
CALIPER
-
DISASSEMBLE
1. Before beginning disassembly, thoroughly clean the
exterior of the caliper using alcohol.
2. Remove the bleeder valve from the caliper and
drain brake fluid from interior. Place caliper on a
clean work surface.
3. Use clean shop towels to pad the interior of the
caliper and remove the piston by directing compressed
air
into the caliper inlet hole (Fig. 5E-13).
CAUTION: Use just enough air pressure to ease the
piston out of the bore. If the piston is blown out --even
with padding provided -- it may become damaged. Do
not place the fingers in front of the piston in an attempt
to catch or protect it when applying compressed air; this
could result in serious injury.
4. Use a screwdriver to pry the boot out of the caliper.
Extend the screwdriver across the caliper bore, under
the boot, and pry up. Be careful not to scratch the
caliper bore.