My trans on my car went out today. It moves when its cold after that it stops. Someone told me if l change the screen and oil put some lucas in it that would fix the problem. is that true?

no thats not true,well it might fix the problem for a few weeks max, the only way to fix that problem is a new trans

A very common fix for this is that u can have a mechanic perform a ''transmission flush'' to completely change out all ur transmission fluid & have them change the filter at the same time. The reason why l suggest a flush instead of a simple drain & fill is that the second option wo not change most of the fluid, only some. Some Lucas or Seafoam transmission treatment can sometimes do wonders & should be looked into. Just make sure u r using them right by either calling the company or looking for a tutorial online.

If that does not help, u will need the help of a mechanic. It sounds like ur transmission is slipping & if the remedy above does not work, u will need either a new Torque Converter, a transmission rebuild, or u can also install a used unit. The transmission rebuild should be the complete last resort because it is much more expensive than any of the other options.