Hard to tell but i would say yes... as when you are driving it appears to come from bulk head area. But due to it being a deisel its hard to say. When its cold and you drive off in 1st gear and 2nd gear its fine but when warm it gets louder and louder e.g the longer the distance the louder it is? The noise appears at its worst when engine is warm and you pull away in 1st up to 3rd all above 2000rpm as if the engine is whinning and also when you come back down the box. I also noticed as you accelerate hard off a round about of junction higher up.the revs 3000rpm plus it can be a bit smokey (grey) goes awag when you change gear? And can come back?