1. Six speed GMC Sierra Transmission issues. 2. 2011 Ram 2500 Leak repairs. 3. 2008 Nissan Titan won't start when cold. Computer failure. 4. 2015 Chevy Silverado early engine failure. 5. 2018 Jeep Grand Cherokee Hatch opens by itself. 6. 2000 Jeep Repeat Fuel Injector failure.