Engine Exhaust System Problems of GMC Sierra 3500

The contact owns a 2015 GMC Sierra 3500. While driving, the service exhaust warning error indicator illuminated. In addition, the service trailer brakes error message illuminated, which caused the brakes to fail on the trailer. The contact unattached the trailer and the vehicle was towed to the contact's residence. The vehicle was taken to growney motors (1160 main st, red bluff, CA 96080) where it was diagnosed that the heat sensor needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure. The approximate failure mileage was 36,500. The VIN was not provided.

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While driving white smoke bellowing out front right tire wheel well. Upon inspection, smoke coming from exhaust pipe clamp near turbo. Smell so bad have to drive with window open. It appears engine on fire from the amount of smoke emitting from under the hood. At idle it get worse. It appears smoke is exhaust fumes leaking from the pipe joint. No engine light to indicate a problem.

The contact owns a 2006 GMC Sierra 3500. While driving 10-75 mph, the engine stalled. There was a loss of power steering and brakes. The vehicle would restart by itself after drifting for 50 yards. There were no warning indicator lights prior to the failure. The contact noticed thick, black smoke coming from the exhaust pipe occasionally. The dealer replaced the exhaust and installed a new programmer; however, the failures continued. The failure mileage was 300 and current mileage was 36,439.

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While driving the consumer smelled fumes inside the vehicle. The dealer was notified.

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