New vibration under accelation. - Ford Powerstroke Diesel Forum

 
LinkBack Thread Tools Display Modes
post #1 of 5 Old 03-24-2010, 12:48 PM Thread Starter
Powerstroke.org Fanatic
 
Join Date: Apr 2007
Posts: 129
Thanks: 0
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
New vibration under accelation.

Ok so this just started a few days ago. only really happens above 50mph and goes away around 80-85. but at 50mph+ if your on the go pedal it vibrates the floor/seat take foot off the pedel and coast it goes away. i have a the carriar bearing droped 1" and just tried it at 1.5" but no difference. the rubber around the bearing is busted up in one spot and dry rotted alittle but the bearing spins fine and the bearings in the bearing feel fine should it still be replaced?

If theres no visual sign of bad ujoints how do you test?

2002 F250 CC LB - 5" lift, 37s, BTS Tranny, 3.73, 38r, Swamps 250/100's, Modded 17*, Guages, studs, pushrods, dual springs, ITP RR, 2 SD pumps, Beans plenums, Balanced, Blueprinted and cryod bottom, ported heads, Gearhead 1.5 cam, 4" Exhaust, HPX, 6.0 tranny cooler, TUNES by Matt @ Gearhead!


Goal = 550rwhp 1100+tq daily driver (dyno #s TBA)
Madmaxz is offline  
post #2 of 5 Old 03-24-2010, 06:18 PM
Compression Ignition Addict
 
joeniel's Avatar
 
Join Date: Jul 2009
Location: Waltham
Posts: 475
Thanks: 0
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
Send a message via AIM to joeniel
Id say your right looking at the ujoints because that sounds exectly what was happening to my truck recently and I had all three joints done and now its fine. But I dont know how to test it. Maybe get under and shake the driveshaft, seeing if the joints move in a way they arent supposed to? Idn I'm no mechanic, lol.

2002 F350 7.3
PHP FU, Isspro's, DIY Intake, 5" Stacks, WW, 08 Mirrors/Gate/Tails.. etc
Pics and full list of mods ~HERE~
Waltham, MA

Looking for an 8 foot bed in the New England area!
If you have one, or know who does, please PM me.
joeniel is offline  
post #3 of 5 Old 03-25-2010, 03:50 AM Thread Starter
Powerstroke.org Fanatic
 
Join Date: Apr 2007
Posts: 129
Thanks: 0
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
yea i tried to get the ujoints to move by hand pushing/pulling but cant get them to budge everything looks tight. guess ill have to get under it while someone shifts into drive/reverse see if they move.

2002 F250 CC LB - 5" lift, 37s, BTS Tranny, 3.73, 38r, Swamps 250/100's, Modded 17*, Guages, studs, pushrods, dual springs, ITP RR, 2 SD pumps, Beans plenums, Balanced, Blueprinted and cryod bottom, ported heads, Gearhead 1.5 cam, 4" Exhaust, HPX, 6.0 tranny cooler, TUNES by Matt @ Gearhead!


Goal = 550rwhp 1100+tq daily driver (dyno #s TBA)
Madmaxz is offline  
post #4 of 5 Old 03-25-2010, 04:18 AM
Compression Ignition Addict
 
03_Turbo7.3's Avatar
 
Join Date: Jan 2008
Location: Edmonton Alberta, Canada
Posts: 1,867
Thanks: 0
Thanked 1 Time in 1 Post
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
Send a message via MSN to 03_Turbo7.3
easiest way to check ujoints is to drop the drive shaft, rotate them around and make sure they are 100% if there is any grab or stiffness replace them

05+ coils, 10 Rear diff, box, tailgate, lights, bumper, Full 07 front harley swap...the list is endless.

AS IM RARLEY on here anymore...have a question ?? EMAIL ME dakinbryce@hotmail.com..ill gladly answer any of your questions. OR search me on facebook. ill help out anyway I can !

updated as of OCT 28/2013
03_Turbo7.3 is offline  
post #5 of 5 Old 03-27-2010, 05:10 PM Thread Starter
Powerstroke.org Fanatic
 
Join Date: Apr 2007
Posts: 129
Thanks: 0
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
all the u joints are fine even the carrier bearing looks fine replaced them all tho. how much should it cost to get a 2pc driveshaft balanced?

i also read on a dodge forum if the vibration goes away when you let off the gas and comes back when you get back on it then the problem might be in the rear axle.. **** i hope not!!

2002 F250 CC LB - 5" lift, 37s, BTS Tranny, 3.73, 38r, Swamps 250/100's, Modded 17*, Guages, studs, pushrods, dual springs, ITP RR, 2 SD pumps, Beans plenums, Balanced, Blueprinted and cryod bottom, ported heads, Gearhead 1.5 cam, 4" Exhaust, HPX, 6.0 tranny cooler, TUNES by Matt @ Gearhead!


Goal = 550rwhp 1100+tq daily driver (dyno #s TBA)
Madmaxz is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Ford Powerstroke Diesel Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome