Same problem with AC condensor. Dealer quoted 1300.00 to replace. Problem is there is a national back order. Non to be found in the entire country. Tell me there is not a defective part and systemic problem. If I'm not satisfied with GMs response from customer service I'll be filing a class action suit. This will force GM to disclose their intrinsic knowledge of the problem. Many folks may be getting money back if the class action goes forward