WeBuyCar MV

I'm experiencing problems with the cooling system losing about a litre weekly and the vehicle using oil 1 ltr , I have been having this problem eversince I have bought the vehicle, I have purchased the vehicle on the 19th December 2022 and I have been sent to 2 different vehicle repair workshops and still I have no joy from the workmanship that has been done, I really need some kind of legal assistance