Looks like my 300tdi has a leak from the throttle linkage on top of the injector pump. I fixed a leak like this on my old td but at the time I had access to lots of seals curtesy of the place I worked at so didn't need to find out the size required. Assuming this one is leaking form the same place, does anyone know what size seal i would need and wtf is all of the electrickery bits sitting on the top?