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5GRGN23U87H108175
Vehicle Summary
The 2007 HUMMER H2 is a robust 4WD SUV powered by a V8 6.0L GM engine with multipoint fuel injection. Manufactured by General Motors in Mishawaka, Indiana, this full-size 3/4 ton vehicle boasts a hydraulic brake system and a gross vehicle weight rating of 8,001 - 9,000 lbs. With its four-door configuration and iron engine block, it's designed for both rugged terrains and versatile utility.
Complete Specifications
Common Issues for This Vehicle
Brake fluid leaks
Hydraulic brake systems can develop leaks in the brake lines, calipers, or master cylinder, leading to reduced braking performance.
Brake pedal sponginess
Air trapped in the hydraulic brake system can cause a spongy brake pedal feel, reducing braking efficiency.
Brake rotor warping
Heavy vehicles like the HUMMER H2 can cause brake rotors to warp under high stress, leading to vibrations during braking.
Brake pad wear
The weight and performance of the H2 can lead to quicker wear on brake pads, requiring more frequent replacements.
Overheating issues
The V-shaped LQ4 engine can generate significant heat, which may lead to overheating if the cooling system is not properly maintained.
Oil consumption
The GM LQ4 engine is known to consume oil, which requires regular monitoring and top-ups to prevent engine damage.
Spark plug fouling
The Multiport Fuel Injection (MFI) system can lead to carbon buildup on spark plugs, causing misfires and reduced engine performance.
Exhaust manifold cracking
The iron construction of the LQ4 engine's exhaust manifolds can be prone to cracking under high heat and stress.
Fuel injector problems
MFI systems can have issues with fuel injectors clogging or failing, leading to poor engine performance and fuel economy.
Timing chain wear
Over time, the LQ4 engine's timing chain can stretch or wear, potentially leading to timing issues and engine performance problems.
Cooling system component failure
Components such as the water pump, radiator, and hoses can fail, leading to cooling system issues and potential engine overheating.
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