I have spent several thousand dollars over the past 5 or so years on rodent damage. After many searches and understanding that the auto manufacturers were not being helpful, I was led to an article that indicated that Honda had a product called "rodent tape". The active ingredient is Capsaicin...
My small business has used Ford trucks for 27 years. I would suggest that as long as you have a warranty with Ford you have it serviced and repaired by Ford to eliminate questions about whether the technician was qualified or not.