2007 Hummer H2

Introduction

The 2007 Hummer H2 is a full-size SUV known for its rugged off-road capabilities and imposing presence. It is powered by a standard 6.2L V8 engine, producing 393 horsepower and 415 lb-ft of torque. The H2 offers a 6-speed automatic transmission as the only transmission option. Despite its popularity, the H2 has faced several issues reported by owners.

Engine

6.2L V8

• Intake Manifold Gasket Failure
  • Description/Symptoms: Coolant leaks, overheating, reduced engine performance
  • Solution: Replace intake manifold gasket
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: 08V390000
• Exhaust Manifold Bolt Failure
  • Description/Symptoms: Exhaust leak, rattling sound, reduced engine performance
  • Solution: Replace exhaust manifold bolts
  • Estimated Cost to Fix: $200 - $500
  • Recalls: 07V392000

Transmission

6-Speed Automatic

• Transmission Slippage
  • Description/Symptoms: Difficulty shifting gears, hesitation or slipping during acceleration
  • Solution: Rebuild or replace transmission
  • Estimated Cost to Fix: $2,000 - $4,000
  • Recalls: 11V007000
• Transmission Control Module (TCM) Failure
  • Description/Symptoms: Erratic shifting, transmission not engaging gears properly
  • Solution: Replace TCM
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

Suspension

• Front Suspension Sag
  • Description/Symptoms: Excessive nose-dive during braking, uneven tire wear
  • Solution: Replace front suspension springs or struts
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found
• Rear Axle Bearing Failure
  • Description/Symptoms: Humming or grinding noise from rear axle, vibration while driving
  • Solution: Replace rear axle bearings
  • Estimated Cost to Fix: $800 - $1,200
  • Recalls: None Found

Electrical

• Alternator Failure
  • Description/Symptoms: Dimming lights, electrical problems, battery not charging
  • Solution: Replace alternator
  • Estimated Cost to Fix: $500 - $800
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Battery dies prematurely, slow cranking
  • Solution: Identify and fix source of power drain, such as faulty electronics or accessories
  • Estimated Cost to Fix: Varies based on the source of the drain
  • Recalls: None Found

Exterior

• Cracked Tail Light Lenses
  • Description/Symptoms: Moisture inside tail lights, broken or cracked lenses
  • Solution: Replace tail light lenses
  • Estimated Cost to Fix: $100 - $200
  • Recalls: None Found
• Rust on Frame
  • Description/Symptoms: Surface rust or corrosion on frame, particularly in wet climates
  • Solution: Clean and treat affected areas, apply rust-resistant coating
  • Estimated Cost to Fix: Varies depending on severity
  • Recalls: None Found

Interior

• Dashboard Cracking
  • Description/Symptoms: Cracks or splits in dashboard material
  • Solution: Replace dashboard or cover with dashboard cover
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found
• Air Conditioning Malfunction
  • Description/Symptoms: Air conditioning not blowing cold air, compressor noise
  • Solution: Diagnose and repair air conditioning system, replace compressor if necessary
  • Estimated Cost to Fix: $500 - $2,000
  • Recalls: None Found

Summary

The 2007 Hummer H2 has faced several issues that have affected owners. Some issues, such as intake manifold gasket failure and transmission slippage, can be costly to repair. However, other issues, like cracked tail light lenses and rust on the frame, are less severe and less expensive to address. Overall, potential buyers should be aware of these issues before purchasing a used H2.