Hi Janey, I know this is not what you may have wanted to hear but i feel this is exactly right. No problems you say existed before the car went in but they exsisted when they came out, it is the only answer. I would be straight on the phone. I took my gal in (when i had it) to have work done but when they asked me to pick it up it was unfinished. The repairer gave me loads of b**l about what they had done but it was in a right state. If your problems were not caused by acid then it was caused by them tell your insurer and as seatkid says don't take no b**l.