Was driving down the main highway in town when the truck suddenly shut off. No lights, no warning. Had the truck towed to the dealership and called my insurance company as I had recently had the fenders and hood repaired after having a fender bender in my front yard. The insurance company looked at the truck and inspected the motor and told me the motor had locked up. They said this was a common issue with the motor for my truck and they wrote a report about it. I emailed the CEO of GMC and requested help since my truck was just over the mileage that warranty would cover. Her assistant contacted me and agreed to check out the vehicle, investigate and determine a cause and see if they can supply assistance. After 6 months of investigating, they determined the crankshaft broke, but also told me the valves was a major contributor to that cause. They offered to discount the cost of a replacement motor. I declined, so they discounted it further. I declined again and they offered me one final offer of $7500 before tax for a motor and install. I had a quote from another local company for $6000 and told them no again. Her assistant said they could no further help me. I have the documents from my insurance when they investigated and I have the emails I sent but only 1 response from them. The rest of the communications was over the phone. Its been a year and half and I still dont have a running truck, but I have a 800 a month truck payment that I have to pay.