hi im new here i have a landrover disco2 has more than 100,000 i have a lot of issue and i keep bringing to the mechanic but its still has a problem now was leakin the antifreeze keep leakin then it gets overheated,i have a friens whos a meachanic at ford dealer he look at in the bottom and he said it look like the engine problem coz it has crack in the front of the engine any ideas or advice if it is really the engine do i have to replace the engine?has somebody has desame problems?