They sold me a faulty car

On 2nd april i took delivery of a 2002 Chrysler PT cruiser at kb car sales in witbank i then head home to nelspruit where i live the next day i notice the car is loosing a lot of oil and overheating that left me strandet next to the N 4 highway i had to be towed home the valve cover was cracked and it look like some one plug the leaks before the water pump was leaking lieters of water i then call the dealer and ever since they hold me on a line with parts they promised me its almost a week later and i still have to walk quas i have no parts to repair the car and they refuse to return my previous car to me quas the expect me to fund the transportation of the car to them to recive my old car back