How do you change bent valve 2005 cavalier 2.2L dohc?

To change a bent valve on a 2005 Cavalier 2.2L DOHC, you'll first need to remove the cylinder head by disconnecting the battery, draining the coolant, and removing the intake and exhaust manifolds. Once the head is off, you can remove the damaged valve and replace it with a new one, ensuring to check for any additional damage to the valve seat or guides. After replacing the valve, reassemble the head with a new gasket and reinstall it, following the manufacturer's torque specifications for the bolts. Finally, reattach all components, refill fluids, and start the engine to ensure proper operation.