Can a blend door be replaced on a 2001 DTS Deville without removing the dash?

Yes, the blend door on a 2001 Cadillac DTS DeVille can be replaced without removing the entire dashboard, but it may require some disassembly of the center console and lower dash components for access. Careful maneuvering and some patience are necessary to reach the blend door actuator. However, the process can be complex, so it's advisable to consult a repair manual or a professional for guidance.