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#1
Nov 14 2017 06:01am

F-150 2014
5L.
Auto 6 speed
supercrew

So a week ago I did my brakes and I thought I had a waved rotor so I really changed everything, rotors, pads and regreased pins on calipers...

To realise that the vibration was still there when I brake at low speed and sometimes when I drive around 55-60 mph.

I put my winter tires when I did the brakes so I don’t think it could be from unbalanced tire.

My front tires are used on the inside, and completely (not 1 out of 2 threads) and a little more on the passenger side so this friday I got a appointment at garage to aligne it.

Do you guys think it could come from the miss-alignement ? Could it comes from a suspension problem ?

Thank you guys.
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#2
Nov 14 2017 12:53pm
Is it only when braking?
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#3
Nov 14 2017 02:21pm
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#4
Nov 14 2017 04:13pm
Quote (FMX_89 @ Nov 14 2017 01:53pm)
Is it only when braking?


Well like said above, sometimes I can feel a slight vibration at 55-60 mph.

e/ I mean not always, but from time to time.

This post was edited by IHateDuriel on Nov 14 2017 04:17pm
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#5
Nov 14 2017 07:14pm
Does the steering steering wheel vibrate too?

Ive seen something similiar where we had to add grease to the driveshaft spline
Ford has a tsb on that too
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#6
Nov 14 2017 07:49pm
Quote (Subban @ Nov 14 2017 08:14pm)
Does the steering steering wheel vibrate too?

Ive seen something similiar where we had to add grease to the driveshaft spline
Ford has a tsb on that too


Well I’m not exactly sure about the steering wheel but I’ll take notes tomorrow.
There is no vibration on the brake pedal.
Yeah I read about driveshaft and joints being over tolerances, but could this cause vibration when braking ?
The driveshaft or any power output parts could be plausible as the vibration can occur at certain speed sometimes and sometimes not. If there was a pothole hit right at the perfect point to start resonation in the driveshaft, could it start a resonance in the driveshaft ?
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#7
Nov 14 2017 08:31pm
Quote (IHateDuriel @ Nov 14 2017 09:49pm)
Well I’m not exactly sure about the steering wheel but I’ll take notes tomorrow.
There is no vibration on the brake pedal.
Yeah I read about driveshaft and joints being over tolerances, but could this cause vibration when braking ?
The driveshaft or any power output parts could be plausible as the vibration can occur at certain speed sometimes and sometimes not. If there was a pothole hit right at the perfect point to start resonation in the driveshaft, could it start a resonance in the driveshaft ?



nah for the pothole
Driveshaft vibration occur when under load and leaving off the throttle and sometime when braking rear cuz rear wheel going different speed than the output shaft
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#8
Nov 15 2017 04:52am
Quote (Subban @ Nov 14 2017 09:31pm)
nah for the pothole
Driveshaft vibration occur when under load and leaving off the throttle and sometime when braking rear cuz rear wheel going different speed than the output shaft


I can feel the truck shaking this morning and I’m still not 100% about the steering wheel, I don’t know if it’s shaking or if it’s residual. Currently doing 97kph. I tried letting off the gas and manually downshift: the vibration goes away.
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#9
Nov 17 2017 01:57pm
Was it that bad??

Also looks like not so much shaking at the moment but will know more by monday.

They said the mechanic had to « modify » the crossmember on right side. I guess by hitting it with a mace. In order to align it. Asked but no specific answer from the desk clerk.



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#10
Nov 18 2017 07:50am
I would bet its a hub. I had the same thing on my silverado, changed all rotors and pads etc and it was my hub assembly, changed them both out and it cleared right up.
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