Superjet Posted July 10, 2015 Report Share Posted July 10, 2015 Hi, we've enjoyed our 2008 Edge for the past 3 years, and so far its been pretty good to us. We bought the car at 85K miles, and it is now at 140K, and surprisingly we haven't run into the PTU leak in our 55K miles of ownership. Right now we are experiencing a vibration at around 20-30mph however. It is speed dependant, and happens whether accelerating or decelerating. Our mechanic recommended replacing the tires first, as they showed some cupping. Today we put new tires on, and the vibration is about 75% reduced..... but still present. Any thoughts on what to look at next? Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted July 10, 2015 Report Share Posted July 10, 2015 Is the vibration through the steering wheel, or floorboards, or ...? I assume the tire/wheel combos were roadforce balanced and an alignment was subsequently done? Were the brake pads/rotors checked while the wheels were off? Same for steering/suspension components like tie rods, control arms, etc. Quote Link to comment Share on other sites More sharing options...
Superjet Posted July 10, 2015 Author Report Share Posted July 10, 2015 Wheel/tires were balanced, but they did not align it. We had it up on a lift last week, and our mechanic gave us the OK in regards to brakes, suspension, etc Quote Link to comment Share on other sites More sharing options...
Superjet Posted July 10, 2015 Author Report Share Posted July 10, 2015 The vibration is hard to pin point, can be felt everywhere pretty evenly Quote Link to comment Share on other sites More sharing options...
PaulSchott Posted July 13, 2015 Report Share Posted July 13, 2015 Could be an out of balance drive shaft. I assume there are 5 on an AWD. Also check the CV joints. Quote Link to comment Share on other sites More sharing options...
Superjet Posted July 14, 2015 Author Report Share Posted July 14, 2015 Took my technician for a ride now that it has new tires, he thinks it may be the driveshaft carrier bushings. I searched online and it seems to be fairly common actually. If it indeed is the problem, a new driveshaft is the only solution This post shows what I think my issue may be http://www.fordedgeforum.com/topic/17690-drive-shaft/?p=129390 Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted July 14, 2015 Report Share Posted July 14, 2015 Yeah, it is pretty sad one cannot find the bearings separately. If your mechanic is daring enough to take one apart, he could probably get a very similar part (specwise) from one of the bearing companies out there. Quote Link to comment Share on other sites More sharing options...
Superjet Posted July 15, 2015 Author Report Share Posted July 15, 2015 Sad indeed. I'm guessing the cutting/rewelding needed to get to the bushing isn't worth it Quote Link to comment Share on other sites More sharing options...
Superjet Posted July 17, 2015 Author Report Share Posted July 17, 2015 Follow up: my mechanic tracked down a nice used driveshaft, and the vibration is gone. Cost me $400 total. He had removed the old one a few days ago and found a u joint had seized up 1 Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted July 17, 2015 Report Share Posted July 17, 2015 You have a good mechanic! 1 Quote Link to comment Share on other sites More sharing options...
coston5584@yahoo.com Posted October 23, 2016 Report Share Posted October 23, 2016 I had a vibration, had a bad carrier bearing, replaced the drive shaft with a new one, now I have another vibration at 10 to 30 miles an hour. Any ideas? Quote Link to comment Share on other sites More sharing options...
coston5584@yahoo.com Posted October 23, 2016 Report Share Posted October 23, 2016 I want to remove the rear driveshaft in my AWD Edge to to see if the vibration goes away, thus eliminating the possibility of having a bad driveshaft. Does any one know the procedure. I understand it can be done? there is an AWD fuse that is required to be removed along with the driveshaft. jjust want to troubleshoot and see if I can isolate the problem Quote Link to comment Share on other sites More sharing options...
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