Chevrolet Sonic Repair Manual: Front Brake Caliper Replacement

Removal Procedure

Warning:

Refer to Brake Dust Warning.

Warning:

Refer to Brake Fluid Irritant Warning.

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.



3. Remove the brake hose fitting bolt (1).

Note:

Do not reuse the brake hose fitting gaskets.

4. Remove and discard the brake hose fitting gaskets (2) from the brake hose fitting (3).
5. Cap the brake hose fitting to prevent brake fluid loss and contamination.



Note:

• DO NOT use any air tools to remove or install the guide pin bolts. Use hand tools ONLY.
• Install an open end wrench to hold the caliper guide pin in line with the brake caliper while removing or installing the caliper guide pin bolt. DO NOT allow the open end wrench to come in contact with the brake caliper. Allowing the open end wrench to come in contact with the brake caliper will cause a pulsation when the brakes are applied.
6. Using a backup wrench to hold the brake caliper guide pin stationary, remove the brake caliper guide pin bolts (1).
7. Remove the brake caliper.

Installation Procedure

1. Position the brake caliper over the brake pads and to the caliper bracket.

Caution:

Refer to Fastener Caution.

2. Using a backup wrench to hold the brake caliper guide pin stationary, install the brake caliper guide pin bolts (1) and tighten to 28 Y (21 lb ft)

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Note:

Install new brake hose fitting gaskets.

3. Assemble the brake hose fitting bolt (1) and the 2 new brake hose fitting gaskets (2) to the brake hose fitting (3).
4. Install the brake hose assembly and tighten the brake hose fitting bolt to  40 Y (30 lb ft)

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5. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding.
6. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.

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