2007 Chevrolet Cobalt
2007 Chevrolet Cobalt
The 2007 Chevrolet Cobalt is a compact sedan that was available with a variety of engine and transmission options. The base engine was a 2.2-liter Ecotec four-cylinder with 148 horsepower and 152 lb-ft of torque. Optional engines included a 2.4-liter Ecotec four-cylinder with 171 horsepower and 163 lb-ft of torque, and a 2.0-liter Ecotec turbocharged four-cylinder with 205 horsepower and 200 lb-ft of torque. Transmission options included a five-speed manual, a four-speed automatic, and a six-speed automatic.
The Cobalt was praised for its spacious interior, comfortable ride, and affordable price. However, it was also criticized for its lackluster performance and poor fuel economy.
Engine
2.2-liter Ecotec
- Intake manifold gasket failure: Causes coolant and oil leaks, overheating, and engine damage. Solution: Replace the intake manifold gasket. Estimated Cost to Fix: $500 - $1,000
- Timing chain tensioner failure: Causes a rattling noise on startup, loss of power, and eventually engine failure. Solution: Replace the timing chain tensioner. Estimated Cost to Fix: $500 - $1,000
2.4-liter Ecotec
- Piston ring failure: Causes excessive oil consumption, blue smoke from the exhaust, and engine damage. Solution: Replace the piston rings. Estimated Cost to Fix: $2,000 - $3,000
- Camshaft actuator failure: Causes decreased power, rough idle, and check engine light. Solution: Replace the camshaft actuator. Estimated Cost to Fix: $500 - $1,000
2.0-liter Ecotec Turbo
- Turbocharger failure: Causes loss of power, blue smoke from the exhaust, and engine damage. Solution: Replace the turbocharger. Estimated Cost to Fix: $2,000 - $3,000
- Intercooler failure: Causes decreased power, increased intake temperatures, and check engine light. Solution: Replace the intercooler. Estimated Cost to Fix: $500 - $1,000
Transmission
Five-speed manual
- Clutch failure: Causes difficulty shifting, slipping, and eventually transmission damage. Solution: Replace the clutch. Estimated Cost to Fix: $500 - $1,000
Four-speed automatic
- Transmission fluid leak: Causes transmission slipping, shifting problems, and eventually transmission failure. Solution: Replace the transmission fluid leak. Estimated Cost to Fix: $200 - $500
Six-speed automatic
- Valve body failure: Causes shifting problems, transmission slipping, and check engine light. Solution: Replace the valve body. Estimated Cost to Fix: $1,000 - $2,000
Suspension
Strut failure: Causes a rough ride, excessive noise, and decreased handling. Solution: Replace the struts. Estimated Cost to Fix: $500 - $1,000
Control arm failure: Causes a loose and unstable ride, difficulty steering, and decreased handling. Solution: Replace the control arms. Estimated Cost to Fix: $500 - $1,000
Electrical
Battery failure: Causes difficulty starting the vehicle, electrical problems, and check engine light. Solution: Replace the battery. Estimated Cost to Fix: $100 - $200
Alternator failure: Causes a loss of electrical power, difficulty starting the vehicle, and check engine light. Solution: Replace the alternator. Estimated Cost to Fix: $500 - $1,000
Exterior
Door lock failure: Causes difficulty locking and unlocking the doors, and security issues. Solution: Replace the door locks. Estimated Cost to Fix: $200 - $500
Taillight failure: Causes safety issues and a check engine light. Solution: Replace the taillights. Estimated Cost to Fix: $100 - $200
Interior
Radio failure: Causes loss of audio, difficulty using controls, and check engine light. Solution: Replace the radio. Estimated Cost to Fix: $500 - $1,500
Heater core failure: Causes a loss of heat, fogging on the windshield, and a musty smell in the cabin. Solution: Replace the heater core. Estimated Cost to Fix: $500 - $1,000
Summary
The 2007 Chevrolet Cobalt has several common issues that can be expensive to repair. The engine and transmission issues are the most severe, and they can lead to engine damage or transmission failure. The electrical, suspension, and interior issues are less severe, but they can still be costly to fix. Overall, the 2007 Chevrolet Cobalt is not a reliable vehicle, and it is not recommended for purchase.