Chevrolet Sonic Repair Manual: Brake Caliper Inspection

Chevrolet Sonic Repair Manual / Chassis / Brakes / Disc Brakes / Brake Calipers / Brake Caliper Inspection

Warning:

Refer to Brake Dust Warning.

Inspect the brake caliper housing (1) for cracks, excess wear, and/or damage. If any of these conditions are present, the brake caliper requires replacement.
Inspect the caliper piston dust boot seal (2) for cracks, tears, cuts, deterioration and/or improper seating in the caliper body. If any of these conditions are present, the brake caliper requires overhaul or replacement.
Inspect for brake fluid leakage around the caliper piston dust boot seal (6) and on the disc brake pads. If there is any evidence of brake fluid leakage, the brake caliper requires overhaul or replacement.

Inspect for smooth and complete travel of the caliper pistons into the caliper bores:

The movement of the caliper pistons into the caliper bores should be smooth and even. If the caliper piston is frozen or difficult to bottom, the caliper requires overhaul or replacement.
Insert a discarded inner brake pad (2) or block of wood in front of the piston. Using a large C-clamp (1) installed over the body of the caliper (3) and against the brake pad or block of wood, slowly bottom the piston in the bore.

Brake Calipers

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Front Brake Caliper Bracket Replacement

Removal Procedure Warning: Refer to Brake Dust Warning. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the tire and wheel assembly. Refer ...

Other materials:

Disc Brake System Description and Operation
System Component Description The disc brake system consists of the following components: Disc Brake Pads Applies mechanical output force from the hydraulic brake calipers to friction surfaces of brake rotors. Disc Brake Rotors Uses mechanical output force ap ...

Oil Pressure Relief Valve Replacement
Removal Procedure Remove the oil pan. Refer to Oil Pan Replacement. Remove the oil pressure relief valve closure bolt (1). Remove the oil pressure relief valve assembly (2). Separate the piston (3) and the spring (4). Warning: Bod ...

Automatic Transmission Flex Plate Removal
Special Tools EN-652 Automatic Transmission Flex Plate Holder For equivalent regional tools, refer to Special Tools. Install the EN-652 holder (1) to hold the automatic transmission flex plate (2). Loosen the 6 automatic transmission flex plate bolts. Re ...

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