Fury ford midrand bad service

Bad service i bought a car at fury ford midrand before i can pay the second instalment it was broken i towed it back to them in november 2019 til now i dont have a car ,only in january it ws taken to a workshop and the cost of the repairs is +_ 40000 , the manager wants nothing to do with cost thy want me to pay fr the repairs i wnt to the garage several times nothing is happening , since november i dont have a car while evry month end m paying the instalment