hi , having major problems, driving home the other night and car light came on with a fault on car, turned car of waited 10 seconds re started and got home, but have been noticing a clunk from the front end for weeks prior to this and was told you get this clunk on taking up drive with it being a awd, its the car taking up the weight on drive having 4 drive shafts ??? didnt question it my , landrover did it sometimes, but this has got to the point i feel the car will sieze if i drive it any further and sudjestions to to cause before the jag centre rips me of?