2019 the problem with the saved game (My Summer Car)

Went on Satsuma included accidentally with 3 assists to 1 shot the cylinder block and the bottom 2 of the piston 3 and the second I had replaced at a mechanic assembled the engine and the car won't start and the starter turns Please find out why nothing build and tell me amp here is a link to save - https://www.youtube.com/redirect?q=https%3A%2F%2Fdrive.google.com%2Fopen%3Fid%3D1BNgAzSO_7ZLUwQMIVB2y-nz7TG5nnJzR&stzid=Ugxgw8odu-rsFElmL3h4AaABAg&redir_token=y2GGF-Ct_q3UPwtR1yr8o_X64St8MTU3NDk3NjM1MUAxNTc0ODg5OTUx&event=comments Thanks in Advance