Bouncing Front End
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Laughing Gas
Joined: Nov 2010
Posts: 793
Likes: 255
Bouncing Front End
Any of you guys with the factory 20" wheels have problems with the front end bouncing at highway speeds?
I think I've got a bad tire to begin with. 7500 miles, I changed the oil and rotated the tires. It was perfect before, now on the highway if I hit a bump or change lanes, the front end starts bouncing and won't stop until I slow down below 60. Accelerate back up to 70, it's smooth until I hit an expansion joint or a rough patch then the bouncing starts again. Man I hope this isn't the Ford death wobble I've read about.
It goes to the dealer Friday, we'll see what they say.
I think I've got a bad tire to begin with. 7500 miles, I changed the oil and rotated the tires. It was perfect before, now on the highway if I hit a bump or change lanes, the front end starts bouncing and won't stop until I slow down below 60. Accelerate back up to 70, it's smooth until I hit an expansion joint or a rough patch then the bouncing starts again. Man I hope this isn't the Ford death wobble I've read about.
It goes to the dealer Friday, we'll see what they say.
Posting Guru
Joined: Apr 2007
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What air pressures are you running? First check your door jamb sticker for pressure recommendations then check your tire pressures. Sometimes pressures can be different from side to side causing a wobble. If pressures are good then I would think it is a bad tire.
Also Ford's shocks are crap from the factory.
Also Ford's shocks are crap from the factory.
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Laughing Gas
Joined: Nov 2010
Posts: 793
Likes: 255
It's definitely an up-down bouncing in the front end and you can even hear it in the road noise. Something sets it off and it doesn't stop until I slow down which is what makes me think it's a bad tire.
The steering wheel doesn't shake or wobble.
On an unrelated note, the front tires were cupped before I rotated them... the rears were fine.
The steering wheel doesn't shake or wobble.
On an unrelated note, the front tires were cupped before I rotated them... the rears were fine.
Junior User
Joined: Apr 2013
Posts: 72
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From: Pefferlaw, Ontario
It's definitely an up-down bouncing in the front end and you can even hear it in the road noise. Something sets it off and it doesn't stop until I slow down which is what makes me think it's a bad tire.
The steering wheel doesn't shake or wobble.
On an unrelated note, the front tires were cupped before I rotated them... the rears were fine.
The steering wheel doesn't shake or wobble.
On an unrelated note, the front tires were cupped before I rotated them... the rears were fine.
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Laughing Gas
Joined: Nov 2010
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The factory Rancho shocks aren't the best, I'll give you that.
This is definitely a tire. You can hear the LF wop-wop-wop-wop on the highway... I was able to listen with the window down driving next to some barricades tonight on the way home. I'm not too impressed with the Michelins.
This is definitely a tire. You can hear the LF wop-wop-wop-wop on the highway... I was able to listen with the window down driving next to some barricades tonight on the way home. I'm not too impressed with the Michelins.
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Junior User
Joined: Apr 2013
Posts: 72
Likes: 0
From: Pefferlaw, Ontario
IIRC, isn't the scalloping that you had on the front tires a sign of a bad shock? You may have one problem causing the other. Just a thought. Hope I am wrong. Two problems are more expensive than one 
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Laughing Gas
Joined: Nov 2010
Posts: 793
Likes: 255
It has a bad tire, took it in this morning and they drove it. Yep, it bounces/oscillates/vibrates so they road force balanced tires. All four tires had "high road force" so they balanced and "indexed" the tires.
I drove away with it tonight and the bouncing stopped but the drifting goes the other direction now because the fronts were swapped L-R. They agreed to replace the front two tires but have to get them from their vendor. Soooo I'll be bringing it back next week.
I drove away with it tonight and the bouncing stopped but the drifting goes the other direction now because the fronts were swapped L-R. They agreed to replace the front two tires but have to get them from their vendor. Soooo I'll be bringing it back next week.
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