Vibration coming from the rear end

Adventure 7 · Aug 16, 2018

Ok I have a 1997 Ford Expedition 5.4 Eddie Bauer Edition . Been getting a vibration from the rear end mainly from the passenger side thats what it feels like. If i take the truck over 38-40 mph it starts to vibrate. I'm trying to narrow it down .

I do currently have a axle seal leak on that side . Making plans to put a new seal and maybe just getting the kit with the axle shaft bearing and seal all together. I've got ideas bumaybe the trailing arms they neeed to be replaced also. I have thought about the U joints too

Any ideas would be greatly apprecated

1955moose · Aug 18, 2018

Ujoints are usually at a higher speed, above 55mph. Try rotation of tires first. Also inspect brakes and rotors. Make sure you don't have 14 mm rotors over 12mm studs, seen it happen. Also put on Jack stands and carefully run SUV with help from assistant. A bearing will usually start a rumble or scraping, and get worse and louder as speed increases. The fact that your noise is limited to that speed range only leads me somewhere else.

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Adventure 7 · Aug 19, 2018

Well what else do you think could be ?

ChrisOIFdoc · Aug 19, 2018

Start with tires first like Moose stated. Move it to the front and see if the problem follows.

1955moose · Aug 20, 2018

It's hard to give you advice without being there. That's why you got to rack it like I said. Your going to eventually get all kinds of change this, change that responses from other members. But without pinpointing the area first, your going to be changing parts unnecessasarily.

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Vibration coming from the rear end

Adventure 7

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1955moose

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Adventure 7

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1955moose

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