HEEELLLPPP!!! What is this part on the end of my drive shaft. | Ford Explorer Forums - Serious Explorations

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HEEELLLPPP!!! What is this part on the end of my drive shaft.

MoekKing

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Joined
June 7, 2023
Messages
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City, State
Williamston, S.C.
Year, Model & Trim Level
2004 explorer xlt 4.6 RWD
I have a 2004 ford explorer xlt 4.6 RWD. I need to know what this is because it sound like it has bearing in it that are grinding. Please help if you can and thanx in advance if u do. The part after the UV joint and between it and the tailshaft.

20230525_085625.jpg
 



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its a balancing weight
Pretty common

Looks like your might have slipped???
 






its a balancing weight
Pretty common

Looks like your might have slipped???
What does that mean exactly and do they need to be replaced? I have a new universal joint for it.
 






What does that mean exactly and do they need to be replaced? I have a new universal joint for it.

It looks like the weight slipped from the area that is cone shaped and worn. Looks like you need a new yoke, or at least a good used yoke.
 






It looks like the weight slipped from the area that is cone shaped and worn. Looks like you need a new yoke, or at least a good used yoke.
The driveshaft end yoke right? Do the weights come on it? I dnt mean to sound so dumb. Im actually pretty mechanically inclined but ive never ran across a driveshaft with weights on it. Could you possibly help me figure out which one to get while ive got the driveshaft out? I got 2 new universal joints to go on it too. But if i have to get a new yoke the i dont need to put the new front one on yet bcuz ill have to take it right back off. Thank you so much for your help this far though. I really appreciate it.
 






Slip yoke. The weight is a vibration dampner. I'm not sure if this is the correct part number.
4L2Z-4841-BA
 






okay so I am online looking at 2004 explorer rear driveshafts and none of them show this weight, of course
However I am used to seeing this sucker on full size trucks like super duties and the like
Not sure why your 4.6 explorer has one.
Typically the weight is 6" or so away from the universal joint yoke. It appears that your weight may have slipped?
They are usually mounted with rubber melted in there, the rubber gets old and brittle and cracks
If it was my driveshaft I would likely just try to slip it off the end or cut it off and see if any vibrations ensue



Ill spend a few more minutes searching like 03 and 05 to see if we cannot replicate this shaft.
I just crushed a 05 explorer, but it was v6 and 4wf, it did not have this weight.
Usually full size trucks do, so I am used to seeing them on rear driveshafts of fords
 






okay so I am online looking at 2004 explorer rear driveshafts and none of them show this weight, of course
However I am used to seeing this sucker on full size trucks like super duties and the like
Not sure why your 4.6 explorer has one.
Typically the weight is 6" or so away from the universal joint yoke. It appears that your weight may have slipped?
They are usually mounted with rubber melted in there, the rubber gets old and brittle and cracks
If it was my driveshaft I would likely just try to slip it off the end or cut it off and see if any vibrations ensue



Ill spend a few more minutes searching like 03 and 05 to see if we cannot replicate this shaft.
I just crushed a 05 explorer, but it was v6 and 4wf, it did not have this weight.
Usually full size trucks do, so I am used to seeing them on rear driveshafts of fords
The slip yoke I used when swapping a M5OD-R1 in an Aerostar van had this weight on it. I used a yoke from a 3.8 mustang with a 4R70W
 






here is what they normally look like

NMlqALokH14Ffyu1.jpg

In the picture is your rear shaft pushed all the way into the trans tail housing?

'


if it is still mounted solid and your d shaft is pushed all the way into the tailhousing, then it maybe just fine go ahead and replace U joints
Make sure you mark the yoke and shaft so you put them together the same orientation they were before you took it apart
 






Looks like this yoke F6ZZ-4841-BA

37f76a090d94efd64c9445939ccc608c.jpg
 












yes

Mine looks jst like that one. Another thing i dnt think i mentioned is the fact that i dnt have a front and rear drive shaft. Mine is jst one solid piece. Does that seem weird too like the weights?? And i did mark the front n the rear placement so i cld put them back in the same place.
 






I also see the plastic on the inside of the weights u were talkin abt and it has gotten brittle and is cracking so its missing some of its edge.
 






yes

Mine looks jst like that one. Another i dnt think i mentioned is the fact that i dnt have a front and rear drive shaft. Mine is jst one solid piece. Does that seem weird too like the weights??
Is there a part number on the shaft?
 






Im not sure. I work 2nd shift at lockheed martin in greenville n i wldnt b able to look again until i get off at 130am.
Is there a part number on the shaft?
 






Im not sure. I work 2nd shift at lockheed martin in greenville n i wldnt b able to look again until i get off at 130am.
Ok guys Im needing a little more help on this. I replaced both of my universal joints and everything was good with my drive shaft for roughly a week. Then all of the sudden there was this awful clanging noise coming from underneath the beast and it wasnt pulling very well either. It kinda made the sound a metal pulley would make if u were hitting it against metal. I got under the car while it was running and it sounded like all the racket was coming from inside of my drive shaft. That being said im gonna say my drive shaft is shot. My question for you guys is do i have to put another drive shaft just like the odd ball one i had in there or is there another solid drive shaft like maybe the normal one everyone got but me on this year explorer? Any thoughts or advice will be greatly appreciated because i need my car back on the road asap.
 






You can cut that stupid weight off

Remove the d shaft and have a look at it
They are a simple “stick”’with two u joints, typically they do not make noises, especially when in park and at idle
Quite
Possible the noise is from the trans
 






Can you post a picture of the rest of the drive shaft? I agree with 410, cut the weight off the slip yoke.
 






I got up under the car and had it running and the noise isnt coming from the drive shaft. Heres a video of the noise im getting. It sounds like something made of thick metal is loose n rattling or some thick metal hitting some thick metal. I dnt know where to begin to look. Someone suggested takin of the bellhousing inspection plate n checkin the bolts on the flex plate or that maybe the gear on the end of the starter shaft had come loose and was hitting on the teeth of the flex plate. I jst dnt know.
 

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Someone suggested takin of the bellhousing inspection plate n checkin the bolts on the flex plate or that maybe the gear on the end of the starter shaft had come loose and was hitting on the teeth of the flex plate
Sound advice here
 






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