Chevrolet Light Duty Truck 1973 Service Manual page 296

5 -3 0 BRAKES
Fig. 54-"C " Clamp for Removal Aid
in the caliper ears and wipe any dirt from the
mounting bolts.
Do not use abrasives on the b o l t s
CAUTION:
since t h i s may damage the plating. If the b o l t s
are damaged or corroded, they should be
replaced.
2. Examine the inside of the caliper for evidence of
fluid leakage. If leakage is noted, the caliper should
be overhauled.
3. Wipe the inside of the caliper clean, including the
exterior of the dust boot. Check the boot for cuts,
cracks or other damage.
Do not use compressed air t o clean
CAUTION:
the inside of the c a l i p e r . This may cause the
dust boot t o become unseated.
Installation
If original shoes are being
CAUTION:
r e i n s t a l l e d , they must be installed i n original
positions (as marked at removal).
1. Lubricate new sleeves, new rubber bushings, the
bushing grooves and the end of the mounting bolts
using Delco Silicone Lube #5459912 or equivalent
(fig. 56).
I t i s essential that new sleeves and
CAUTION:
rubber bushings be used and that lubrication
instructions be followed i n order t o ensure the
proper functioning of the sliding caliper design.
2. Install the new rubber bushings in the caliper ears.
3. Install the new sleeves to the inboard ears of the
caliper.
NOTE: Position the sleeve so that the end
toward the shoe and lining assembly is flush
with the machined surface of the ear.
4. Install the} shoe support spring and the "inboard"
shoe in the center of the piston cavity as shown in
Figure 57.
5. Push down until the shoe lays flat against the
caliper (fig. 58).
. Position the outboard shoe in the caliper with the
6
ears at the top of the shoe over the caliper ears and
the tab at the bottom of the shoe engaged in the
caliper cutout.
7. With both shoes installed, lift up the caliper and
rest the bottom edge of the outboard lining on the
outer edge of the brake disc to make sure there is
Fig. 5 6 -Lubrication Points
LIGHT DUTY TRUCK SERVICE MANUAL