2007 Chevrolet Cobalt

The 2007 Chevrolet Cobalt was a compact car offered in coupe and sedan body styles. It was known for its fuel efficiency and affordability. However, it also faced some reliability issues that owners have reported over the years. Engine options included a 2.2L Ecotec I4 producing 148 horsepower and 152 lb-ft of torque and a 2.4L Ecotec I4 producing 171 horsepower and 163 lb-ft of torque. A high-performance SS model was also available with a turbocharged 2.0L engine. Transmission options included a 5-speed manual and a 4-speed automatic. Owners generally liked the Cobalt’s sporty handling and fuel economy, but common complaints included interior build quality, and some reliability concerns.

Engine

2.2L Ecotec I4

• Catalytic Converter Failure
  • Description/Symptoms: Check engine light illuminated, reduced fuel economy, and potential engine performance issues. Often caused by a failed oxygen sensor upstream, leading to cat failure.
  • Solution: Replace the catalytic converter and diagnose/replace the upstream 02 sensor.
  • Estimated Cost to Fix: $500 - $1000+
  • Recalls: None Found
• Intake Manifold Gasket Leak
  • Description/Symptoms: Engine misfires, rough idle, check engine light, and coolant loss. May also notice coolant smell.
  • Solution: Replace the intake manifold gasket.
  • Estimated Cost to Fix: $200 - $400
  • Recalls: None Found

2.4L Ecotec I4

• Camshaft Actuator Solenoid Failure
  • Description/Symptoms: Rough idling, reduced engine power, and a check engine light. The engine may run poorly at low speeds.
  • Solution: Replace the camshaft actuator solenoid(s).
  • Estimated Cost to Fix: $150 - $300
  • Recalls: None Found

Transmission

4-Speed Automatic

• Harsh Shifting
  • Description/Symptoms: Abrupt or jerky gear changes, especially noticeable between 1st and 2nd gear.
  • Solution: Replace the valve body or flush the transmission fluid.
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found
• Transmission Slipping
  • Description/Symptoms: Engine revs higher than normal during acceleration with no change in speed.
  • Solution: Rebuild or replace the transmission.
  • Estimated Cost to Fix: $1500 - $3500+
  • Recalls: None Found

Suspension

• Rear Suspension Sagging
  • Description/Symptoms: The rear of the vehicle sits lower than normal, especially when loaded with passengers or cargo. Can affect ride quality and handling.
  • Solution: Replace rear shocks and/or springs.
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found
• Front Strut Mount Failure
  • Description/Symptoms: Clunking or popping noises from the front suspension, especially when turning or going over bumps.
  • Solution: Replace the front strut mounts.
  • Estimated Cost to Fix: $200 - $400
  • Recalls: None Found

Electrical

• Ignition Switch Failure
  • Description/Symptoms: The vehicle may stall while driving, or the key may get stuck in the ignition. This was a significant safety issue.
  • Solution: Replace the ignition switch.
  • Estimated Cost to Fix: $100 - $300
  • Recalls: 14V047000 - Ignition Switch Replacement
  • Recalls: 14V047000
• Power Window Failure
  • Description/Symptoms: One or more power windows stop working, often due to a faulty window motor or regulator.
  • Solution: Replace the window motor or regulator.
  • Estimated Cost to Fix: $150 - $400 per window
  • Recalls: None Found
• Instrument Cluster Issues
  • Description/Symptoms: Gauges may stop working or display incorrect readings. The entire instrument cluster may fail.
  • Solution: Replace or repair the instrument cluster.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Exterior

• Headlight Condensation
  • Description/Symptoms: Moisture builds up inside the headlight housings, reducing visibility.
  • Solution: Remove the headlight, dry it out, and reseal it.
  • Estimated Cost to Fix: $50 - $200
  • Recalls: None Found

Interior

• Dashboard Cracking
  • Description/Symptoms: Cracks appear on the dashboard surface, particularly in hot climates.
  • Solution: Replace the dashboard or use a dashboard cover.
  • Estimated Cost to Fix: $200 - $1000+
  • Recalls: None Found
• Seatbelt Issues
  • Description/Symptoms: Seatbelts may not retract properly or latch securely.
  • Solution: Replace the faulty seatbelt assembly.
  • Estimated Cost to Fix: $150 - $400 per seatbelt
  • Recalls: 14V355000 - Seatbelt Pretensioner Cable Wear

Summary

The 2007 Chevrolet Cobalt faces several common issues, ranging from engine and transmission problems to electrical and interior concerns. The ignition switch recall is a critical safety issue to address. Engine issues such as catalytic converter failure and intake manifold leaks can lead to expensive repairs. Transmission problems, especially with the automatic transmission, can also be costly. Electrical gremlins like power window failure and instrument cluster issues can be frustrating. While some fixes are relatively inexpensive, others can add up quickly, making it essential for potential buyers to thoroughly inspect the vehicle and be aware of these potential problems.