Phoenix, AZ is the capital of Arizona. The pre-historic Hohokam Indians settled the about 300 BC. Since the city was founded on the ruins of the ancient civilization it is named Phoenix named after the legendary bird. It is a communications and manufacturing center. Mining, timbering and fruits contribute to the economy. If the used car has automatic transmission and if you hear grinding noise or clunks the problem could be due to broken or worn engine or transmission mounts, differential wear or bad universal joints. Any Credit Ok!