Suburban 3/4 Ton 4WD V8-305 5.0L (1986)
Removing Caliper From Disc
6.
Lift caliper from anchor plate and off rotor, Fig. 4. Hang caliper from coil spring with wire. Do not allow caliper to hang from brake hose.
7.
Remove inboard brake pad from steering knuckle, then the anti-rattle spring from the brake pad.
8.
Remove outboard brake pad from caliper. It may be necessary to loosen the brake pad with a hammer to permit pad removal.
Rebuild
Fig. 6 Exploded View
DISASSEMBLY
1.
Drain brake fluid from caliper.
Fig. 5 Removing caliper piston
2.
Position caliper with shop cloths, Fig. 5, and apply compressed air to fluid inlet port to ease piston from bore. Do not attempt to catch piston or
to protect it when applying compressed air, since personal injury is possible.
3.
Remove boot from piston, then the piston seal from bore, Fig. 6. Use wooden or plastic tool to remove piston seal since metal tools may damage
piston.
4.
Remove bleeder screw.
ASSEMBLY
NOTICE: Clean all parts in denatured alcohol or brake parts cleaner before assembly and dry them with dry compressed air
1.
Coat square cut piston seal with clean brake fluid, then install seal into piston bore. Work seal into groove with clean fingers.
2.
Install and torque bleeder screw to 100 inch lbs.
Fig. 7 Installing Caliper Piston Boot
3.
Lubricate boot and tool J-24548 with clean brake fluid, then place dust seal on tool, allowing 1/4 inch of tool to extend past small lip of boot, Fig.
7.
