How do you remove the oil cooler lines from the 3.5 Chevy Colorado radiator 2006?

To remove the oil cooler lines from a 2006 Chevy Colorado radiator with a 3.5L engine, first, ensure the engine is cool and disconnect the negative battery terminal. Then, locate the oil cooler lines on the radiator, and use a line wrench to carefully unscrew the fittings, ensuring to have a catch pan ready for any spilled fluid. It may be helpful to apply penetrating oil to the fittings if they are difficult to loosen. Once the lines are removed, plug the openings to prevent contamination.