A/C sop working

[toyoecho]

AC stop after 15 - 20 mins and blow hot outside air, Got the gas topped up and checked for leaks too, but couldnt find any leak and problem is same. Please help if anyone has same issue.

[Jamez]

It looks compressor or some other elcetrical part in AC system is dying when getting little hot and switch off the compressor. Seek a proper AC technician instead changing any part, may be due to age some electrical part or wires are getting weak and shut off on heat up.