2007 Expedition buzz/vibration 1500-1700 rpms - READ ONLY

2 messages, Last post on Feb 25, 2009 at 5:54 PM

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#1 of 2 2007 Expedition buzz/vibration 1500-1700 rpms by dakota123 Feb 25, 2009 (4:26 pm)
My 2007 Expedition EB AWD makes a noticeable buzzing noise from somewhere ahead of the driver, maybe at the driver's feet, on the driver's side, at light to medium load (accelerating or steady speed going up a slight grade) at 1500-1700 rpms. I can feel it in the throttle pedal, and sometimes even in the steering wheel, but mostly it is heard. Transmission gear and torque converter locked or unlocked does not matter. Road speed does not matter, only rpm. Drives me crazy. I've checked everything obvious, including the various exhaust heat shields, but have not been able to find where it might be coming from. Dealer, too has struck out. No relevant TSBs that I can find. I'm starting to think the light-off catalyst media is loose inside the housing. Reasonable guess? Sound familiar to anyone? Other ideas? Thanks! Replies to this message: tidester (Feb 25, 2009 5:54 pm)
#2 of 2 Re: 2007 Expedition buzz/vibration 1500-1700 rpms [dakota123] by tidester HOST Feb 25, 2009 (5:54 pm)
Replying to: dakota123 (Feb 25, 2009 4:26 pm) Please post your message in the Ford Expedition Noises discussion so more people will see it and we can avoid duplicate topics. Thanks! tidester, host SUVs and Smart Shopper