hello all i av a problem with my vk the black thing not sure of wat its called but its plastic & split making a big bang between the air filter and the carby and the hose clamp thingy it was conected to came completely off do i just need to replace this part or is it more than that? air con stoped working a week ago think maybe it as something to do with that as well iv spent almost 3 grand on this car and want it to keep going