What size is the Belt Tensioner bolt for a 2007 Chevy cobalt 2.2L?

The belt tensioner bolt for a 2007 Chevy Cobalt with a 2.2L engine is typically a 15mm bolt. It's important to ensure you use the correct size socket for proper torque specifications when working on the tensioner assembly. Always refer to the vehicle's service manual for specific details and torque requirements.