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 MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 681 (HYDRAULIC BRAKE SYSTEM)
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
Section 681 (Hydraulic Brake System)
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Section 681 (Hydraulic Brake System)
WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Diagnostic Starting Point - Hydraulic Brakes
- DTC C0267
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Procedures
- Symptoms - Hydraulic Brakes
- Brake Warning Indicator Malfunction
- Brake Pulsation
- Brake System Noise
- Braking Action Uneven - Pulls to One Side
- Braking Action Uneven - Front to Rear
- Brake Pedal Excessive Travel
- Brake Pedal Excessive Effort
- Brakes Drag
- Brake System Slow Release
- Brake Fluid Loss
- Disc Brake System Diagnosis
- Drum Brake System Diagnosis
- Hydraulic Brake System Diagnosis
- Brake Assist System Diagnosis
- Brake System Vehicle Road Test
- Brake Pedal Travel Measurement and Inspection
- Brake System Vacuum Source Test
- Brake System External Leak Inspection
- Brake System Internal Leak Test
- Hydraulic Brake Component Operation Visual Inspection
- Brake Pipe and Hose Inspection
- Brake Pedal Pushrod Inspection
- Repair Instructions
- Master Cylinder Reservoir Filling
- Master Cylinder Reservoir Replacement
- Master Cylinder Replacement (Manual Transmission)
- Master Cylinder Replacement (Automatic Transmission)
- Master Cylinder Bench Bleeding
- Brake Fluid Level Indicator Switch Replacement
- Brake Pedal Assembly Replacement
- Brake Proportion Valve Replacement
- Brake Pipe Replacement
- Front Brake Hose Replacement (Without RPO LNF)
- Front Brake Hose Replacement (With RPO LNF)
- Rear Brake Hose Replacement (Body to Axle)
- Rear Brake Hose Replacement (Axle to Caliper)
- Hydraulic Brake System Bleeding (Pressure)
- Hydraulic Brake System Bleeding (Manual)
- Hydraulic Brake System Flushing
- Power Vacuum Brake Booster Replacement
- Vacuum Brake Booster Check Valve and/or Hose Replacement (L61)
- Vacuum Brake Booster Check Valve and/or Hose Replacement (LE5)
- Vacuum Brake Booster Check Valve and/or Hose Replacement (LNF)
- Power Brake Booster Vacuum Sensor Replacement
- 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.