Where is the coolant sending unit located on a Pontiac Aztek 3.4 engine?

The coolant sending unit on a Pontiac Aztek with a 3.4-liter engine is typically located on the engine block, near the thermostat housing. Specifically, it is often found on the driver's side, towards the rear of the engine, where it connects to the cooling system to monitor the engine's temperature. To access it, you may need to remove some components for better visibility and reach. Always refer to the vehicle's service manual for precise location and removal instructions.