Put 1.5 cups water and all ingredients except flour and sour cream into crockpot. Stir to blend. Cover pot and cook on LOW for 9 to 10 hours until chicken is tender. Remove chicken pieces from cooker. Skim off fat. Turn control to HIGH. Blend flour with quarter cup cooled juices fromm crockpot. Mix into liquid in cooker. Stir until thickened. Blend in sour cream. Return chicken to pot. Heat through, but do not boil. Serve with noodles.