Where is the coolant temp sensor on a 2006 gmc 5.3?

On a 2006 GMC with a 5.3L engine, the coolant temperature sensor is typically located on the engine block, near the thermostat housing. It is usually positioned on the driver's side, towards the rear of the engine. To access it, you may need to remove some components for better visibility and reach. Always refer to a repair manual for specific details and diagrams for your vehicle.