Why does my truck shake when it shifts into overdrive?
Why does my truck shake when it shifts into overdrive? Shudders occur most often when shifting into overdrive or when in overdrive and going up a slight incline. This occurs because the transmission fluid is contaminated and the contaminates, being suspended in the fluid, prohibit good pressure contact between the transmission plates when they are applied. What causes an uneven idle on an F-150? A uneven idle on a F-150 can be a symptom of a variety of engine issues such as vacuum leaks, failed or dirty sensors or worn engine components. If the engine is older or has higher...