crack on the rear exel

[JeepDxb]

i believe that the rear exel has cracked when and how i am not to sure and it is not causing me any problems but i want to knw if i should be changing it or just leave it as it is

thanks

[JeepDxb]

If leaking, change immediately. If just clacking then u can drive safely and ready to hear BIG CLAK one day in 1 month time to 1 year time.