Hi, have a problem with the aircon on Omega V6 - only recently noticed (hot weather) but when aircon is on & I put foot down, the air flow is redirected from face vents to floor vents. According to my mechanic it's due to incorrect routing of the thin vacuum tubes at the front of the engine - Just need to know if the Haynes manual covers these in detail or should I save my £15 for the main agent to rectify.