2009 Hummer H2

The 2009 Hummer H2 is a large, imposing SUV known for its off-road capabilities and distinctive styling. It only came with one engine option, a 6.2L V8 producing 393 horsepower and 415 lb-ft of torque. The H2 is often praised for its ruggedness and spacious interior, but criticized for its poor fuel economy and cumbersome handling. The 2009 H2 was only available with a 6L80E transmission. Common complaints include issues related to the aging drivetrain, electrical problems, and the cost of maintenance.

Engine

6.2L V8

• Oil Consumption
  • Description/Symptoms: Some owners report excessive oil consumption, requiring frequent top-offs between oil changes. There is no visible oil leak and there is blue smoke coming from the exhaust.
  • Solution: This may involve replacing valve seals or piston rings. In severe cases, engine replacement may be necessary.
  • Estimated Cost to Fix: $500 - $5000+
  • Recalls: None Found
• Lifter Failure
  • Description/Symptoms: A ticking noise, especially at startup, can indicate lifter failure. This can lead to more serious engine damage if not addressed. Can be a flat or collapsed lifter.
  • Solution: Replace the failed lifters and potentially the camshaft.
  • Estimated Cost to Fix: $1500 - $3000+
  • Recalls: None Found

Transmission

6L80E 6-Speed Automatic

• Harsh Shifting
  • Description/Symptoms: Abrupt or jerky shifts between gears, especially when cold.
  • Solution: This can be caused by worn valve body components or solenoid issues. Replacing the valve body or solenoids may resolve the problem. Flushing the transmission fluid may help in minor cases.
  • Estimated Cost to Fix: $300 - $1500+
  • Recalls: None Found
• Torque Converter Shudder
  • Description/Symptoms: A shuddering or vibration felt during light acceleration, particularly at highway speeds.
  • Solution: Replacing the torque converter and performing a transmission fluid flush.
  • Estimated Cost to Fix: $800 - $2000+
  • Recalls: None Found

Suspension

• Air Suspension Compressor Failure (If Equipped)
  • Description/Symptoms: The rear suspension sags, or the vehicle fails to level properly. The compressor may be noisy or not run at all.
  • Solution: Replace the air suspension compressor.
  • Estimated Cost to Fix: $500 - $1200+
  • Recalls: None Found
• Air Suspension Bags Leaking (If Equipped)
  • Description/Symptoms: The rear suspension sags over time, especially overnight.
  • Solution: Replace the leaking air suspension bags.
  • Estimated Cost to Fix: $400 - $1000+ (per bag)
  • Recalls: None Found

Electrical

• Transfer Case Motor Issues
  • Description/Symptoms: Difficulty shifting between 2WD and 4WD modes. The service 4WD light may illuminate.
  • Solution: Replacing the transfer case motor.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found
• ABS Sensor Failure
  • Description/Symptoms: ABS light illumination, potential loss of ABS functionality, and diagnostic trouble codes related to wheel speed sensors.
  • Solution: Replace the faulty ABS sensor.
  • Estimated Cost to Fix: $150 - $400+ (per sensor)
  • Recalls: None Found

Exterior

• Rust
  • Description/Symptoms: Rust formation, especially in areas prone to corrosion such as the rocker panels, door bottoms, and around wheel wells.
  • Solution: Rust repair, panel replacement, and repainting.
  • Estimated Cost to Fix: $500 - $5000+ (depending on severity)
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof gets stuck, malfunctions, or leaks.
  • Solution: Repair or replace the sunroof motor, tracks, or seals.
  • Estimated Cost to Fix: $200 - $1000+
  • Recalls: None Found

Summary

The 2009 Hummer H2 is generally reliable but suffers from issues typical of an aging vehicle. Engine oil consumption, transmission harsh shifting and electrical issues are the most commonly reported. Suspension issues are also common, especially when the air suspension system is installed. The cost of repairs can vary widely, from a few hundred dollars for minor electrical issues to several thousand for major engine or transmission work.