Underneath the car's engine behind the motor mount.
the drain plug is located on the back side of the oil pan under the car.
in the oil pan
It don't have 1.
.040 in
The 2005 Chevy Malibu 2.2 liter engine oil drain plug size is 9/16. The oil drain plug has very fine threads.
The oil drain plug for a 2006 Chevy Cobalt typically requires a 15mm socket for removal. It's important to ensure you have the correct size to avoid stripping the plug. Always use a torque wrench to tighten the plug to the manufacturer's specifications after changing the oil.
Remove the transmission pan and ou will see why this 'drain plug' feature is not required.
On the bottom of the oil pan.
The drain plug on a 2007 Chevy Cobalt typically requires a 15mm socket. However, it's always a good idea to double-check with your specific vehicle's manual or to verify on the vehicle itself, as variations can occur depending on the engine type or any modifications made.
On the Oil Pan.
on bottom of engine toward the passenger side
Bottom of the engine on the oil pan.