Can anyone help; I have a Freelander (Td4 53 plate, aprox 71,000 miles) and as of yesterday have developed the following fault. As soon as I increase power to go up a hill, increase speed or just put my foot down I get a sound of an air flow from the back of the engine or even behind the dash...

I've been lucky enough to own several landrovers, and having found the LandyZone think I'll enjoy sharing a few tips and benefit from other members knowledge. At the moment I drive a Discovery TD5 but also own a Series 2a and Series 3; my partner drives a Freelander TD4, so as you see I like...