Question about 2004 Ford F150

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Vibrate rearend shakes on left&right turns ford called putting a shim kit took care of it but created another prob. truck vibrates at dif speed it is a 2004 f150 ford claims nothing can be done to correct have to live with it still have my truck in shop

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1. make sure the tires are still balanced. 2. Check the U-joints on the drive shaft. 3. Have the driveshaft check for balance.

Posted on Sep 08, 2010


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My truck shakes at highway speeds

How old are the tires on the vehicle-sounds like a balance problem that happens at certain speeds. Does the vibration happen at any other speeds? When were the tires balanced last? If balance is ok then check out the steering system for loose and worn parts. There is a possibility of a park brake backing plate rust issue- what is the make and model. Newer trucks use a park brake with 4 wheel disc brake that mounts in the smaller cavity of the rotor on the rear axle. This would cause the noise you describe and the vibration.

Feb 04, 2013 | Cars & Trucks

3 Answers

I have a bad vibration that appears to be coming from the rearend. Started out only at certain speeds now it's all the time. Stops when you let off the gas. Shakes the entire vehicle.

A couple of things to check. It may be a wheel bearing, shock, cv joint, or a very common cause is that one or both of your back tires are worn irregularly. This causes the car to shimmy and get progressively worse as you have explained. It usually happens on the front end of the car, but can occur in the back.

Sep 26, 2012 | 2004 Jeep Liberty

1 Answer

Heard some rattling in the steering wheel took off the cover where the horn and cruis control is and a big metal piece with rubber stoppers fell out. what is it?

this is either the airbag or the vibration dampener. Im not sure exactly when they changed over to airbag, I think it was that year so. if that metal piece has no wires going into it then its just a vibration dampener, it just lessens road noise coming from the steering system. if its the airbag assembly be careful with that. undo the battery and let it sit for a half hour then study that box and come up with some sort of shim(styrofoam?) to keep it from rattling around in there. dont shim on top of the box if its an airbag, shim the sides somehow. use this tip at your own risk..


Apr 14, 2011 | 1992 Ford Explorer

1 Answer

I have a whining noise in the differential of a 1998 ford explorer. There isn't any play from side to side. Can this rearend be shimmed?

You probably are having pinion bearing problems. It seems that ford had some rearend problems with some of there trucks and suv's.

Nov 08, 2010 | 1998 Ford Explorer

1 Answer

Rear on a2004 astro van awd v-6 locks up when making turn's left or right.but does'nt do it when gowing forward or reverse.

Rear end is a lockup dif. This couples both wheels.It has clutches that allow inner and outer weels to turn at different speeds when going around corner, thus eliminating most tire scrub. If noise is coming from dif. change dif oil and redress clutches.Driving in a straight line with a lockup dif. would not normally be noticed,because both rear wheels are travelling at the same speed.

Sep 09, 2010 | 2004 Chevrolet Astro

1 Answer

82 gm, 10 bolt, 28 spline, w/c-clips. I took it apart put a locright lockup in & the instructions that came with it were not exlicit. Plus I dont remember where all the spacers and shims go. can you...

Because you changed to a lockup, you can't just put back the original shims and spacers where they were and have everything work like it should. Your need to get a service manual. It will give you the tolerances and where to measure and what the measurements should be. Check out faxonautoliterature. $49 will get you the original GM service manual for your truck with all the info you need to get your rear end together so it wil work properly. Hope this helps.

Aug 09, 2009 | 1983 Chevrolet C1500

1 Answer

Exact same prob

Check with I think they have a larger power steering pump that will give you more psi at lower rpm's

Jul 22, 2009 | 2006 Ford F 350 Super Duty

1 Answer

Rear Differential Vibration sound when turning...

locking rear dif? door code will tell u if so may have a bad spool it's a big deal $1800.00

Apr 18, 2009 | 2005 Ford F-150

2 Answers


It sounds like a possible bad front wheel bearing they will make like a humming or growling noise.The pull could be air pressure a little lower in the right front tire than the left front check the air in all tires and if pull is still there take the left front put it on the right front and put the right front tire on the left front.Sometimes tires get what they call radial pull and that will fix it or make it go the other way if it goes the other way either get new tires or put the back tires on the front of the vehicle and put the front tires on the back.

Feb 22, 2009 | 1992 BMW 7 Series

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