I need to remove the front plastic radiator grill on my 53 td5 defender on my old turbo 90 it was 4 screws and it was off, is this one the same, does it have plastic plugs covering the holes where the screws are can't see properly, and also it has a large plastic covered bull bar fitted with 2 supports on top, Do I have to remove this to get the griil off and, how on earth does this come off.thanks for any advice.