On Friday, April 30, 2010, I took my new 2010 Dodge Grand Caravan to Hitch House GA at 3733 Covington Highway in Decatur, Georgia for a pre-arranged appointment to have a trailer hitch and electrical harness installed. Prior to work beginning, the presence of an air conditioning line in the area of the hitch installation was discussed, twice, with Bob Hine at Hitch House. The job required unscrewing four (4) bolts and screwing them back in the same holes. I was assured they had installed ten or more hitches on this same model van and were well aware of the air conditioning line. During installation of the hitch, the air conditioning line was ruptured, leaving me with no air conditioning. Mr. Hine insisted I leave my van with him for repairs and take a rental car home. I refused. I attempted to pay for the hitch, which was already installed. Mr. Hine refused payment, telling me I was not leaving his premises until I agreed to allow him to fix my a/c. I just wanted to leave, take my...