Tracking Down Shudder At WOT - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

Powerstroke.org is the premier Diesel Truck Forum on the internet. Registered Users do not see the above ads.
Reply
 
LinkBack Thread Tools Display Modes
  #1  
Old 04-21-2013, 04:25 PM
Compression Ignition Addict
 

Join Date: Feb 2012
Location: FL
Posts: 485
Thanks: 6
Thanked 2 Times in 2 Posts
Feedback Score: 0 reviews
Tracking Down Shudder At WOT

Trying to track down a shudder under WOT.
Been searching and found a few possible causes.
No vibrations at all in any other condition except when I hammer down on the skinny pedal. Was noticeable when I was racing a F-350 off the line last night
I noticed it more before I got a custom tune. Seems to be a lot less after tune.

I've had vehicles both lifted high and lowered scrapping the ground so I know what a driveline vibration feels like. Truck run excellent

Could this be something fuel related, running stock turbo (for now)?
Can this possibly be corrected further through the tune?

Open to all insight on this...

Thanks in advance
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2  
Old 04-21-2013, 04:29 PM
Premium Member
 

Join Date: May 2012
Location: Anchorage
Posts: 1,282
Thanks: 18
Thanked 36 Times in 31 Posts
Feedback Score: 1 reviews
It could possibly be an injector, any codes?
Reply With Quote Quick reply to this message
  #3  
Old 04-21-2013, 04:29 PM
Compression Ignition Addict
 

Join Date: Nov 2011
Location: Garner, NC
Posts: 632
Thanks: 2
Thanked 11 Times in 9 Posts
Feedback Score: 0 reviews
Torque Converter?
Reply With Quote Quick reply to this message
  #4  
Old 04-21-2013, 04:30 PM
Premium Member
 

Join Date: Mar 2012
Posts: 1,191
Thanks: 8
Thanked 10 Times in 10 Posts
Feedback Score: 0 reviews
i think i feel the same shutter i think my tork converter might be going?
Reply With Quote Quick reply to this message
  #5  
Old 04-21-2013, 04:39 PM
Compression Ignition Addict
 

Join Date: Feb 2012
Location: FL
Posts: 485
Thanks: 6
Thanked 2 Times in 2 Posts
Feedback Score: 0 reviews
Quote:
Originally Posted by snafu! View Post
It could possibly be an injector, any codes?
New Warren Injectors... I was getting a code for the FICM but my voltage is 48, does drop to 47.5 randomly.
Reply With Quote Quick reply to this message
  #6  
Old 04-21-2013, 06:01 PM
Compression Ignition Addict
 

Join Date: Feb 2011
Posts: 186
Thanks: 1
Thanked 1 Time in 1 Post
Feedback Score: 0 reviews
I had an older Mustang and it would do the same thing under WOT. Ended up being u-joints.
Reply With Quote Quick reply to this message
  #7  
Old 04-21-2013, 08:31 PM
Compression Ignition Addict
 

Join Date: Feb 2010
Posts: 785
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
Axle wrap. Throw some bars on and see if it cures your issue.
Reply With Quote Quick reply to this message
  #8  
Old 04-21-2013, 08:53 PM
Premium Member


 

Join Date: Feb 2006
Location: Sacramento
Posts: 8,440
Thanks: 18
Thanked 137 Times in 118 Posts
Feedback Score: 4 reviews
I've noticed the same thing with my truck, when are you getting the vibration?
Reply With Quote Quick reply to this message
  #9  
Old 04-24-2013, 06:11 PM
Compression Ignition Addict
 

Join Date: Jul 2008
Location: Brecksville, OH
Posts: 350
Thanks: 4
Thanked 1 Time in 1 Post
Feedback Score: 0 reviews
Quote:
Originally Posted by 3brorce View Post
Axle wrap. Throw some bars on and see if it cures your issue.
You hit the nail on the head. I can almost 100% gurantee axle wrap. I have seen trucks do it so bad that the drive shaft will hit the pinion flange and roll the ear over the u-joint cap. If yours is that bad, it may have a witness mark on it. You will definitely need traction bars.
Reply With Quote Quick reply to this message
  #10  
Old 04-25-2013, 04:48 PM
Compression Ignition Addict
 

Join Date: Feb 2012
Location: FL
Posts: 485
Thanks: 6
Thanked 2 Times in 2 Posts
Feedback Score: 0 reviews
Quote:
Originally Posted by Fantom View Post
I've noticed the same thing with my truck, when are you getting the vibration?
Only when I am getting on it it the upper rpms. Between 3-5. It isn't the torque converter going in or out. It is locking up in 5th.

I am leaning towards driveline. I have a Kelderman Air Ride suspension in the back that may have a little to do with it possibly. Maybe even the carrier bearing. Will be digging into it this weekend to see if I can locate the cause.
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
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:

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
Display Modes

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 On
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -8. The time now is 08:46 AM.


Powered by vBulletin® Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.1
Garage Plus, Vendor Tools vBulletin Plugins by Drive Thru Online, Inc.

vB.Sponsors