I have just stripped my heater down to replace the glowplug. Many thanks to all who have posted pics and tips on the subject, made it much easier. Had to drill out all four screws that were holding on the top cover but got there in the end. The air intake hose is a flexible metal type but appears to be on its last legs, almost disintegrating. I would like to replace it, but where does it connect to and is it an easy job ? It disappears into the sill area. I hope that when all is replaced it fires up without having to clear any fault codes, otherwise it may have to go to the local ford dealers. Thanks