2007 Hummer H3 brakes problems

Filed Oct 10, 2026 · Body, Brakes · IN

i was driving my hummer on the highway about 45 miles an hour when i felt somthing poped and the back started to sway back and forth so i startted slowing down and i was all over the road came to a stop on side of the road looked underneath and my drivers side wheel was all the way back against the body looked up and the frame had broken off and the spring in back also broke off rusted and the so called frame was so thin no wander it rusted why so thin they should be held accountable for making unsafe frame like this if i would have been on interstate beside a semi or other cars im shure me and others would have lost our lives no doubt i am very pissed about this i got my friend to bring trailer hauld home so now what junk or what i want them to fix it and loaner why they do.

Filed Jul 20, 2017 · Brakes, Suspension · GA · crash

Abs fault , traction failed, stab system my car started driving funny and I almost lost control

Filed Feb 9, 2016 · Airbags, Brakes · 115,000 miles · VA · crash

Tl* the contact owns a 2007 hummer h3. While driving 40 MPH, the vehicle independently stopped, without the contact depressing the brake pedal. The contact crashed the vehicle into a ditch. The air bags failed to deploy. A police report was not filed and there were no injuries. The failure occurred twice previously, but did not result in a crash. The vehicle was towed to the dealer and not repaired. The manufacturer was made aware of the failure. The failure mileage was 115,000. The VIN was not available.

Filed Jul 23, 2015 · Brakes · 63,400 miles · NE

When having brake work done on my vehicle it was found to have bulges in 3 of the 4 brake lines.

Filed Apr 27, 2015 · Brakes, Engine · 100,000 miles · KY

While driving at 65 miles per hour the vehicle dash lit up all service lights the vehicle went into reduced power mode not allowing the vehicle to exceed 40 MPH and ABS sensors came on staying traction fail, ABS fail, began to stutter and stall. Took to shop. Vehicle running codes for spark plugs, replaced spark plugs. Few weeks later did it again, this time saying throttle body. Replaced it, a month later did it again, each time in major traffic having to pull off roadway to avoid an accident. This time says misfiring, throttle body, ABS,TPMS, thermostat, etc. Take it to have compression test run and system says cylinder failure. Do research on issue and find that there are hundreds of complaints about this online having caused accidents and thousand of dollars spent by consumers after having accidents but no known fatality so gm will no recall or honor the issue repairs. Almost all of them happening at 100k miles.

Filed Aug 12, 2012 · Brakes, Lights · 48,000 miles · CA

Started out right rear blinker. Grew to both rear blinkers. Then to all systems worked while brakes applied,then to rear blinker fuse blows when brakes applied. The bulbs were changed but not damaged ,diagnosis is body control module. This is a recurring problem with this SUV and is a serious safety hazard to have brake light failure and blinker failure. Should be recalled.

Filed May 31, 2012 · Brakes · 54,000 miles · NY

Tl* the contact owns a 2007 hummer h3. The contact stated that the vehicle was turned off and the brakes were engaged when the vehicle began to roll away in reverse. The contact was able to stop the failure. The vehicle was taken to the dealer and the manufacturer was made aware of the issue but the vehicle was not repaired. The failure and current mileages were 54,000.

Filed Aug 5, 2010 · Acceleration, Brakes · 1,884 miles · FL

2007 hummer h3 has vibration in the brake and accelerator pedal. The consumer also stated the vehicle overheated while driving in traffic. *jb the consumer stated she continues to feel a kick in the pedal. The dealer was unable to fix the problems on the vehicle. Updated 01/18/11.

Filed Dec 22, 2009 · Brakes · 31,000 miles · ND · fire

Tl* the contact owns a 2007 hummer h3. His rear brake drum caught on fire . The rear brake drum was located under the fuel tank. The vehicle was taken to the dealer for inspection. He was advised they would not repair the vehicle under warranty because he made his tires spin too much in the snow. However while in snow his vehicle became stuck and he was trying to get out. General motors was also contacted and stated they reviewed his claim but would not cover the repair. The failure mileage was 31,000. The VIN was unknown.

Filed Aug 16, 2007 · Body, Brakes · 149 miles · NY

Tl*the contact owns a 2007 hummer h3. The contacts husband stated that the distance between the brake and accelerator pedals is too narrow and his shoes get stuck in the space. The contact spoke with the dealer and they stated that they were aware of the failure. The current mileage was 200 and failure mileage was 149. Updated 02-01-08 *bf the consumer stated she has located the defect. The consumer stated the defect was the carpet that was interfering with the brake, so problem solved. Updated 02/01/08