Chevrolet Cobalt Service & Repair Manual: Troubleshooting
| When troubleshooting the hydraulic brake system, perform the following inspections. |
Master Cylinder Internal Fluid Leakage Check
| Start engine and depress the brake pedal. If the pedal gradually falls under constant pressure, the hydraulic system may be leaking. Raise the vehicle on a lift and inspect all tubing lines and backing plates for signs of leakage. It may be required to lift or remove the carpeting or floor mats to inspect for booster or master cylinder leakage. |
Road Test
| When testing brakes, ensure the road is level and dry. Test brakes at both light and heavy pedal pressure. Do not lock up brakes or slide tires during a brake test. |
| Inspect the tires on the vehicle before performing a brake test. Tires should be equally inflated, identical in size and with equal tread pattern. Excessive camber and caster will cause the brakes to pull. An overloaded vehicle will also brake erratically. |
Tightening Specifications
Year
Component
Torque Ft. Lbs.
AVEO
2010
Bleeder Screw
80 1
Bleeder Va ...
See also:
Chevrolet Cobalt Service & Repair Manual. Cylinder Head Overhaul
It is usually recommended to send
head to machine shop for complete overhaul.
Cylinder head must be cool before
removing it from engine. Cylinder head warpage can result if a warm or hot
cylinder head is removed.
Place clean shop towels over exposed
e ...
Chevrolet Cobalt Owners Manual
- In Brief
- Seats and Restraint System
- Features and Controls
- Instrument Panel
- Driving Your Vehicle
- Service and Appearance Care
- Maintenance Schedule
- Customer Assistance Information
Chevrolet Cobalt Service Manual
- Air Bags
- Air Conditioning & Heater
- Body & Frame
- Brakes
- Cooling System
- Driveline
- Electrical
- Electronic Stability Controls
- Engine Service
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