Rear Brake Caliper Replacement
Rear Brake Caliper Replacement (L99, LS3)
Removal Procedure
Warning: Refer to Brake Fluid Irritant Warning (Brake Fluid Irritant Warning).
Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution (Vehicle Damage Warnings).
1. Inspect the fluid level in the brake master cylinder reservoir.
2. If the brake fluid level is midway between the maximum-full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
3. If the brake fluid level is higher than midway between the maximum-full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
4. Remove the rear disc brake pads. Refer to Rear Disc Brake Pads Replacement (LLT) (Rear Disc Brake Pads Replacement)Rear Disc Brake Pads Replacement (L99, LS3) (Rear Disc Brake Pads Replacement).
5. Remove the brake hose fitting bolt (1).
6. Cap the brake caliper inlet port to prevent brake fluid loss and contamination.
Note: Do not reuse the brake hose fitting gaskets.
7. Remove and discard the brake hose fitting gaskets (2) from the brake hose (3).
8. Cap the brake hose fitting to prevent brake fluid loss and contamination.
Note: The brake caliper bolts must be replaced any time they are removed. Do not reuse the brake caliper bolts.
9. Remove and discard the brake caliper bolts (1).
Installation Procedure
1. Install the brake caliper to the suspension knuckle.
Note: The brake caliper bolts must be replaced any time they are removed.
2. Hand install new brake caliper bolts (1)
Caution: Refer to Fastener Caution (Fastener Caution).
3. Tighten the brake caliper bolts to 40 Nm (30 lb ft) + 90 degrees.
4. Assemble the brake hose fitting bolt (1) and the 2 new brake hose fitting gaskets (2) to the brake hose (3).
5. Install the brake hose assembly to the brake caliper and tighten the brake hose fitting bolt to 40 Nm (30 lb ft).
6. Install the rear disc brake pads. Refer to Rear Disc Brake Pads Replacement (LLT) (Rear Disc Brake Pads Replacement)Rear Disc Brake Pads Replacement (L99, LS3) (Rear Disc Brake Pads Replacement).
7. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Manual) (Hydraulic Brake System Bleeding (Manual))Hydraulic Brake System Bleeding (Pressure) (Hydraulic Brake System Bleeding (Pressure)).