Hey guys, took the truck into the Local Stealer Dealer and they told me that the flaps are broken on my GL450 Intake Manifold 2007. They quoted me 3700.00 to do the job. I left, and obviously won't have them do the job. I have found the part online for 580.00 and a video on how to do it. doesn't look that hard to do. has anyone here ever done this job? I also have a gross evaporator leak, and a check engine light on, but I don't think that has anything to do with the intake manifold. whats everyones thoughts?