Driveline vibration?
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Cargo Master
Joined: Aug 2004
Posts: 3,455
Likes: 8
From: Williams Lake B.C.
Driveline vibration?
2002 F-350 4x4 PSD
Ive had a vibration somewhere for about 2000 miles now.
I needed the truck and couldnt figure out what it was so I kept using it.
I finally had to do the balljoints on the drivers side , everything checked out OK.
Next I took off my driveshaft and checked my ujoints (I thought one had some play) but they all turned out OK.
Next I thought the ujoint in my front end on passengers side was bad but after closer examanation it was OK.
But.........the seals on the axle are gone , so after I took that apart I tryed turning the hub with the bearings in it , it turns ok with no up and down slop but theres a hard to turn place in it.
My question is , my vibration was BAD and Im looking for something that sticks out causing it?
Could the bearing be shot and Im not testing it proper?
Ive had a vibration somewhere for about 2000 miles now.
I needed the truck and couldnt figure out what it was so I kept using it.
I finally had to do the balljoints on the drivers side , everything checked out OK.
Next I took off my driveshaft and checked my ujoints (I thought one had some play) but they all turned out OK.
Next I thought the ujoint in my front end on passengers side was bad but after closer examanation it was OK.
But.........the seals on the axle are gone , so after I took that apart I tryed turning the hub with the bearings in it , it turns ok with no up and down slop but theres a hard to turn place in it.
My question is , my vibration was BAD and Im looking for something that sticks out causing it?
Could the bearing be shot and Im not testing it proper?
Thread Starter
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Cargo Master
Joined: Aug 2004
Posts: 3,455
Likes: 8
From: Williams Lake B.C.
Yes checked that when I had the deiveshafts off.
Its more of a front end vibration I think.
Its more of a front end vibration I think.
Post Fiend
Joined: Feb 2007
Posts: 7,191
Likes: 4
From: Blairsville,Ga
had it happen a few weeks ago with wife driving
was easy to diagnose though after I pried her loose from the steering wheel
Hotshot
Joined: Jan 2008
Posts: 13,144
Likes: 11
From: Rochdale MA
Senior User
Joined: Mar 2008
Posts: 436
Likes: 1
From: Mass
do you have a two piece driveshaft, my 99 does and after a similar experience someone told me to grease it, problem solved. look on your driveshaft and see if there's a rubber boot almost in the middle of the driveshaft, if so you have a two piece that might need grease. good luck
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Cargo Master
Joined: Aug 2004
Posts: 3,455
Likes: 8
From: Williams Lake B.C.
do you have a two piece driveshaft, my 99 does and after a similar experience someone told me to grease it, problem solved. look on your driveshaft and see if there's a rubber boot almost in the middle of the driveshaft, if so you have a two piece that might need grease. good luck
I cleaned it up and put it back together , it looked like new inside.
Did your look like new?
I didnt put a bunch of grease in it , should I have?
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Senior User
Joined: Mar 2008
Posts: 436
Likes: 1
From: Mass
if you mean new as in (clean),no. it should be greased so it can move in and out. not a ton of grease but greased. i really don't know why some driveshafts are one piece and some two but are's are. when mine started to dry up it couldn't move in and out like its suppose to so I was getting a vibration when on the gas pedel. once i greased it my problem went away. it only moves in and out a very little. just put some grease on the spline and move it all over with your fingers. i had to grease mine about 95,000 miles. bought my truck with 89,000, don't know if it was ever done before.. let me know how you make out!
Of the next Riffraff East
Joined: Oct 2004
Posts: 8,679
Likes: 2
From: Concord NC
I gotta go with Jim and it being a tire related problem. It came on fast and hard. Is the vibration at all speeds? Have you rotated the tires to see if vibration changes?
Also, a bad hub could cause your problem, but with that much vibration and 2k miles, it should be easy to find by now.
Also, a bad hub could cause your problem, but with that much vibration and 2k miles, it should be easy to find by now.
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,112
From: Rio Rico, AZ.
Stick or automatic?
Mine had what felt like a bad u-joint under load and it turned out to be a failed bearing in my ZF6. It would shudder like there was a fishing weight tied to the driveline at 20% throttle 1800 rpm while in OD. Speed up or slow down and it would taper off.
I went through the same chase scene that you are doing right now. New U-joints, carrier bearing, etc.
Rebuilding the transmission completely cleared it up.
Mine had what felt like a bad u-joint under load and it turned out to be a failed bearing in my ZF6. It would shudder like there was a fishing weight tied to the driveline at 20% throttle 1800 rpm while in OD. Speed up or slow down and it would taper off.
I went through the same chase scene that you are doing right now. New U-joints, carrier bearing, etc.
Rebuilding the transmission completely cleared it up.
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Cargo Master
Joined: Aug 2004
Posts: 3,455
Likes: 8
From: Williams Lake B.C.
Theres a couple of seals on the axle.
The first one on the outside(closest to the wheel) is loose and broken.
Could that be it?
Driveshaft moves easily in and out at join.
99% sure its not tires as you can feel the vibration in the driveline somewhere.
It gets worse slowing down it almost goes away when its under power.
The first one on the outside(closest to the wheel) is loose and broken.
Could that be it?
Driveshaft moves easily in and out at join.
99% sure its not tires as you can feel the vibration in the driveline somewhere.
It gets worse slowing down it almost goes away when its under power.
