Engine Squeaking Noise Problems of GMC Yukon

Anytime the vehicle is running the fumes from the exhaust make me and my kids feel nauseous and giving headaches just from walking to/around the truck to get in. We are taking this truck to the dealer on Monday. Being the 3rd dealer we have taken it to in the past year. Have had many other issues out of this vehicle and just cant seem to get them all fixed. For such a pricey vehicle you wouldnt think there would be this many problems. The lift gate is popping not wanting to open or shuts on you as you walk under it. The window appliques are just slowly flying off 1 by 1. Transmission is hard shifting in low gears, during acceleration and deceleration. We have a horrible grinding/squeaking noise in the front that you can feel in the floor boards. The brakes, we had a module replaced, but it still feels as if when pushing the pedal it looses pressure, causing near accidents. This is insane!!!!!! boought this truck just over a year ago and have had nothing but problems. Waste of time and money!.

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Tl the contact owns a 2010 GMC Yukon. The contact stated that there were cracks in the dashboard. The vehicle was taken to mark christopher auto center (located at 2131 e convention center way, ontario, CA 91764) where it was determined that the 2010-14 models experienced the same failure. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and provided case number: 9-4939088368. In addition, while driving various speeds, the check engine, stabilitrak, and service traction control warning indicators illuminated. The vehicle also shook and lost power. The contact was able to coast the vehicle over to the side of the road and powered off the engine. The vehicle was restarted and was able to drive normally, but the failure recurred numerous times. The contact also stated that a squeaking noise and a burning odor were coming from the brake pedal. The vehicle was taken back to the dealer where it was diagnosed that an unbalanced wheel was making the vehicle shake and the front driver's side wheel hub sensor failed and needed to be replaced. The vehicle was repaired, but the failure recurred five miles from the dealer. The vehicle was taken back to the dealer, but the failure could not be duplicated. The manufacturer was notified of the failure and provided case number: 9-4965946886. The approximate failure mileage was 65,221.

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