Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2018SONIC PREMIER, 4D SEDAN, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 249 (DISC BRAKE SYSTEM)
2018 Chevrolet Sonic Premier, 4D Sedan, Standard Trans
Section 249 (Disc Brake System)
2018 Chevrolet Sonic Premier, 4D Sedan, Standard TransSECTION Section 249 (Disc Brake System)
WARNING: This page is about a different car, the 2018 GMC Canyon and 2018 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Diagnostic Information and Procedures
- Brake Rotor Thickness Measurement
- Brake Rotor Thickness Variation Measurement
- Brake Rotor Surface and Wear Inspection
- Brake Rotor Assembled Lateral Runout Measurement
- Brake Pad Inspection
- Brake Caliper Inspection
- Front Disc Brake Mounting and Hardware Inspection
- Rear Disc Brake Mounting and Hardware Inspection
- Repair Instructions
- Front Disc Brake Pads Replacement
- Rear Disc Brake Pads Replacement
- Brake Pad and Rotor Burnishing
- Front Brake Caliper Replacement
- Front Brake Caliper Guide Pin Replacement
- Rear Brake Caliper Replacement
- Rear Brake Caliper Guide Pin Replacement
- Rear Brake Caliper Bracket Replacement
- Front Brake Rotor Replacement
- Rear Brake Rotor Replacement
- Front Brake Shield Replacement
- Front Brake Bearing Shield Replacement
- Brake Rotor Assembled Lateral Runout Correction
- Brake Rotor Assembled Lateral Runout Correction - Indexing
- Brake Rotor Assembled Lateral Runout Correction - On Vehicle Lathe
- Brake Rotor Refinishing
- Description and Operation
- Special Tools and Equipment
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.