How do you loose crankshaft bolt in Mazda 323?

To loosen the crankshaft bolt on a Mazda 323, first, ensure the engine is stable and secure, then remove any components obstructing access to the crankshaft pulley. Use a breaker bar or a ratchet with the appropriate socket on the crankshaft bolt, and rotate it counterclockwise. For added leverage, you may need to brace the flywheel or use a crankshaft pulley holder tool to prevent the engine from turning. Always follow your vehicle's service manual for specific instructions and torque specifications.