My kids and I was on the interstate and all of sudden my yukon reduce engine power.Dropping to 30 in a speed zone of 70.I was very afraid for our safety and appreciate there concerns for reducing engine power to save the truck, but that's very dangerous. So I paid to replace the throttle body and gas pedal cause that was the codes for the problem. But it's still doing the same thing and I don't have money to keep buying parts.Plus it a gm problem and I really need some help with the fixture..

- Notasulga, AL, USA

The contact owns a 2004 GMC Yukon. The contact stated the vehicle does not stop when the brake pedal was depressed. The contact was driving about 45 mph. The vehicle was taken to sears (3655 sw 22nd St, coral gables, fl 33145. Miami, Florida) where the vehicle was repaired. The failure recurred after the vehicle was repaired. The approximate failure mileage was unknown.

- Miami, FL, USA

The contact owns a 2004 GMC Yukon. The contact stated that the ABS warning indicator illuminated intermittently. The contact took the vehicle to a certified mechanic who diagnosed that the brake pads needed replacing, the drums needed to be rotated, and new brake lines were needed. The vehicle was repaired. Shortly after the repairs, when the contact began to drive the vehicle, the ABS warning indicator illuminated intermittently. The contact took the vehicle to excel Chevrolet (located at 1765 us highway 59 S, jefferson, tx 75657), but the cause of the failure could not be determined. The manufacturer was not made aware of the failure. The approximate failure mileage was 160,000.

- Marshall, TX, USA

The contact owns a 2004 GMC Yukon. While driving at a moderate rate of speed, the brake line failed without warning. The contact had the vehicle towed to an independent mechanic who determined that a brake line had burst and that another brake line was on the verge of bursting. The vehicle was towed to four seasons Ford (601 duncan hill rd, hendersonville, nc 28792, (828) 693-4281) where they informed the contact that they would only give him half the money he put down for the vehicle or provide him with another vehicle of the same value. The manufacturer was not notified of the failure. The vehicle had not been repaired. The failure mileage and VIN were unknown.

- Benicia, CA, USA

Rusted brake lines (both) rusted and failed at a critical time putting motorist in dangerous situation at time of failure. Exiting highway at posted speed with few options on how to stop vehicle.

- Kansas City, KS, USA

Trying to stop slowly and ABS system move my Yukon to a point I almost hit the car in front of me. It happens when I try to stop under 10 miles per hour. Also 2wd drive drops to 4WD on highway and lose power. This is dangerous on the highway.

- Whitinsville, MA, USA

While traveling at highway speed and rounding a blind curve the traffic ahead had stopped due to a crash. I had to brake harder than normal and the brake pedal just kept depressing further and further until it was all the way to the floor. I wasn't stopping near fast enough and had to veer to the left into the median to avoid making contact with anyone else. It was raining and as I looked under my truck to look for why my brakes were ineffective but couldn't see anything at that time. I chose to try to drive home not sure why I had the problem stopping. The next day was dry and I had my brother pump the brakes while I look underneath and found numerous places where the brake lines were rusting at an alarming rate and one location where the rusted line failed. I repaired the leak I had found and when I tried to bleed the brakes from that repair I would begin an unending run of leaks up and down the metal brake lines for both the front and rear. This Yukon has around 260K miles but those brake lines shouldn't be rusting through like they are. I have had more than 15 Tahoe, Yukon, Yukon XLS, Suburban, and pickup trucks from GM and never have I had such a run of brake failures as this 2004 model Yukon was now going through. GM says this is normal maintenance but how can one even see if a failure is occurring as many of these lines are concealed by the frame, chassis, and body. I have spoken to other owners of similar vehicles, be it pickups or Tahoe's or Suburban of the 2000 to 2006 model years and nearly all have complained of chronic body rust issues but more importantly brake failures from brake lines rusting and then blowing out without warning. Many also cited that of the lines that are visible to inspect they would appear to be ok but just out of view one would have a sudden blow out with no way to see or know there was a problem since the lines are concealed.

- New Baden, IL, USA

The contact owns a 2004 GMC Yukon. The contact stated that the service brake booster warning indicator illuminated. The vehicle was taken to brown automotive center (2520 veterans blvd, del rio, tx) and the contact was informed that NHTSA campaign number: 05V043000 (service brakes, hydraulic) had previously been performed and any more repairs would be at the contact's expense. The vehicle was taken to an independent mechanic where it was diagnosed that the vehicle did not have the same kind of braking assembly as listed in the recall. The manufacturer was contacted regarding the issue and the case was escalated several times, but no further action was taken. The failure mileage was approximately 247,118. Consumer stated GM charged to repair updated 8/14/18

- Del Rio, TX, USA

The contact owns a 2004 GMC Yukon. While moving from the park position, the brake system disable warning indicator illuminated. The brake pedal was depressed, but failed to operate. The emergency brakes also failed to operate. The contact stated that there was brake fluid evident under the front of the vehicle. The contact also stated that the brake line was extremely corroded. The vehicle was not included in NHTSA campaign number: 04V045000 (service brakes, hydraulic). The vehicle was not diagnosed nor repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 152,000.

- Marseilles, IL, USA

While driving down road at approximately 45 mph, hit the brakes when a couple of deer jumped onto road and the pedal went to floor with no braking action at all. Had enough time to realize what had happened and hit the parking brake in time before reaching intersection to busy highway. Inspection afterward showed brake fluid on the frame near the driver side door where the proportioning valve is located. There was no warning of the failure and had been driving the vehicle around town most of the day. Have experienced brake failures on vehicles before and always had half the system remain operational enough to stop without problem. This appears to have been a single failure mode that caused the loss of braking or a simultaneous failure of multiple systems which should be unlikely but seems to happen with improbable regularity based on complaints posted.

- Benton Harbor, MI, USA

Brake lines rusted in to causing the lines to weaken. Driving to my house, push on brake pedal it went to the floor look under vehicle and there was a pool of brake fluid under the vehicle. This could have been a serious accident in traffic.

- Langsville, OH, USA

While driving down an on ramp I began to apply the brakes to slow down, the brake pedal sunk to the floor and I had no braking capability and the brake warning appeared on the dash. I pumped the brake again and still had no braking capability, I was able to coast to a stop along the side of the road. Upon inspection of the brake lines, there was a major leak on the rear driver side, and a smaller leak from on the front passenger side.

- West Chester, PA, USA

Lost all brakes when coming to a stop sign, rolled out into intersection, on inspection brake fluid was leaking out from under drivers side floor area. All brake fluid leaked out from reservoir.

- Pembroke, MA, USA

Backing up to hook up a trailer, I depressed the brake and it went straight to the floor. Rear brake line ruptured after ABS module and right about the fuel tank. I cannot replace just they one line because of corrosion and rust at the module. This is the family SUV and im lucky this happened in my yard and not on the highway. I was preparing to leave towing a 5500lb trailer. All these other lines are equally bad and I fear they are going to rupture too. I'm stuck with a 10 year old less than safe vehicle.

- Escanaba, MI, USA

I was heading to ocean city Maryland. As I was approaching the toll plaza to go over the bay bridge I slowed down and seem to had stopped when all the sudden my foot was on the brake clear to the floor and I hit the box truck in front of me that was stopped for traffic. I looked at the dash and it was all lit up and blinking. The gentleman told me I had lost my breaks and that when he would move I would begin to move as well. I was not far from the beginning of the bridge but I was six or seven lanes to the left in the easypass lane. I called my brother asking him what to do and he talked me through as I was panicking. I had a full tank of gas and lots of tractor trailers going through the plaza. I was for sure I was going to be hit or hit someone else. I rolled down my windows put my flashers on and began to blow my horn and yelling out the window I have no brakes so that I could get over to the right side of the road right before the bridge. As I did people did stop and let me get over and I had my foot on the brake but they were not stopping the truck. As I was drifting over a toll facility tow truck was on the side and he yelled to me what was wrong. I told him no brakes and he told me to jump out and he jumped in and hit the truck up over a small embankment to get it out of the way of all the traffic. He got it to stop and got out and looked up under the truck and could see that two of the brake lines were snapped. I had the truck towed with over the bay bridge and they had to replace the two brake lines that snapped and they could not bleed the lines fully since they were afraid that the other two lines could snap at any time. I got home and had to have the other two lines done as well. I have to say I was never so scared in my life I could have died for sure if I was going any faster up an over the bridge and down the hill getting off. Worst day of my life.

- Baltimore, MD, USA

Upon applying brakes, while driving downhill, the right rear steel brake line burst resulting in significant loss of braking power. Fortunately, Y I had significant distance between me and the next car that I could avoid an accident. The vehicle still had some braking power to allow me to drive it to a nearby parking lot where it continued to lose brake fluid. The vehicle was towed to a local GMC dealership where they replaced all the steel lines with copper/nickel lines at a cost of $1,606. I was told that the steel lines are rusting out as a result of the de-icing chemicals being used on the roads during the winter. I have had vehicles up to 15 years old in the past and never had such an experience as this. I question the quality of the steel lines. If GM is of the opinion that their steel lines can't withstand the de-icing chemicals then they should have installed copper/nickel lines at the factory. Thank you.

- Cape Elizabeth , ME, USA

The contact own a 2004 GMC yucon- the contact stated while driving approximately 35 mph, when he tried to come to a stop the brake pedal extended to the floor. The vehicle could only be stopped by using the emergency brake. The vehicle was driven to a nearby dealer who indicated that the brake line needed to be replaced because of corrosion. The vehicle was not repaired. The manufacturer was notified. The approximate failure mileage was 78,271.

- Marlton, NJ, USA

I applied the brakes firmly to avoid hitting a deer. On my next brake application my pedal went to the floor and the service brake system message came on. When I got home I found a ruptured brake line underrate drivers door. All lines are rusted severely as well as most of the undercarriage. I looked online and there are hundreds of complaints on this issue with GM vehicles similar to mine.

- Laurel Hill, NC, USA

No problem yet, but is sure to happen. Brake lines rusted. Had same problem on my 2005 GMC Yukon denali XL where the metal lines rusted and blew out. Almost caused accident.

- Henrico, VA, USA

Car has low miles for age and today the brake line began to leak under driver side seat because of rust.

- Ramsey, NJ, USA