Page 1 of 2 12 LastLast
Results 1 to 10 of 12

Thread: Front end shimmy

  1. #1
    Join Date
    Jan 2007
    Location
    Fort Smith, Arkansas
    Posts
    911

    Default Front end shimmy

    I'm getting a little front end shimmy now and then. I never noticed this before I installed the Selectro locking hubs. Anyone have any thoughts? I'm about to add power steering and want to make it right the first time.

  2. #2
    Join Date
    Dec 2003
    Location
    Giddings, Texas
    Posts
    7,732

    Default

    What tires are you running and what psi? Did you re-pack the front bearings while you had the hubs apart?

    Just guessing on the tires and loose front bearings. My "Death Wobble" was cured by XZL tires. I tried everything else before also. I had a XL on the front at the FE a month ago and couldn't go over 40 before they were back. Tires make a huge difference on this.
    Remember if you didn't build it you can't call it yours.

    6.2 powered M715, 5 M1009's, M416, 2 M101's, 2 M105's, 3 M35's, M1007 6.5 turbo Suburban project called Cowdog.

    https://www.youtube.com/channel/UCCz...HGkBCfhXZ5iuaw

  3. #3
    Join Date
    Jun 2008
    Location
    Booneville Arkansas
    Posts
    32

    Default

    Could be the nut behind the steering wheel Bill

    Does it still do it after the tires warm up?
    Tom

  4. #4
    Join Date
    Jan 2007
    Location
    Fort Smith, Arkansas
    Posts
    911

    Default

    Tim, I'm running Goodyear Hi-Milers. They are worn evenly and all match. I'll check the bearings if it becomes regular. Right now, it's very intermittant. I thought maybe since the Selectros take some of the load off the tires, maybe something changed because of that. It hasn't done it in the last two days though.
    Tom, the tires haven't cooled down in days with this 100 degree weather. The nut behind the wheel can never be ruled out either. LOL

  5. #5
    Join Date
    Dec 2003
    Location
    parsons Kansas
    Posts
    476

    Default

    me death wobble has been traced down to a bad kingpin on the right side and it also caused me to blow out an ndt coming back from colorado. not sure why but when I blew out an ndt and put the boggers back on the front I was able to flat tow at speeds over 65 when before I wasnt able to go above 50 before It started whipping around on the road. my 725 had death wobble ever since I got it and never could find any loose parts on the front end until just before the trip to Co. and Ive had it on the lift alot of times. the right lower kingpin finally reared its head after 3 years on the road.
    67 M725, 67 M715, 68 M715

  6. #6
    Join Date
    Jan 2007
    Location
    Georgetown, CA
    Posts
    418

    Default

    Could be a bent wheel or tire out of balance (lost a weight maybe), try rotating the tires, if the wobble becomes an intermittent kind of a "groaning" noise, you moved the offending tire to the back of the truck. . .

  7. #7

    Default

    It could just be all tire related. My '05 Wrangler had a real bad wabble at 50mph when I had the previous set of tires rotated. The tires were balanced and appeared to have no un-even wear, yet on the front they shook so violently that it was undrivable. I now rotate them with every other oil change.

  8. #8
    Join Date
    Jan 2004
    Location
    Washington State
    Posts
    1,652

    Default

    I've seen perfectly balanced tires out of round before. Most tire stores won't tell you either. Jack up the truck, and get the tires off the ground. Place a coffee can near, or almost under the tire and give the wheel a spin. Watch the distance between the tire and can. I've had bad out of round tires that were balanced and made my truck drive like shat.

  9. #9
    Join Date
    Jan 2007
    Location
    Fort Smith, Arkansas
    Posts
    911

    Default

    In an attempt to fix it, I put two of my spares on. The problem got way worse. I did the jack and spin with a stationary object like Todd said, and they were both out of round. After rotating the rears to the front, the problem is almost completely fixed. Basically, it's the tires not the truck.

  10. #10
    Join Date
    Jan 2004
    Location
    Washington State
    Posts
    1,652

    Default

    Glad it worked out, usually it's tires or that's the first thing to rule out.

Similar Threads

  1. robertcowan : FRONT 8 LUG HUBS THAT FIT THE M715 FRONT AXLE
    By PseudoZone in forum PseudoZone - Mod Tech Archive
    Replies: 24
    Last Post: December 15th, 2009, 08:14 PM
  2. front dif
    By jaymzm715 in forum Modified Tech
    Replies: 8
    Last Post: August 3rd, 2009, 08:35 PM
  3. Front-end Shimmy Question
    By joesco715 in forum Open Discussion
    Replies: 7
    Last Post: February 4th, 2008, 12:28 PM
  4. front bumper
    By lee brown in forum Open Discussion
    Replies: 2
    Last Post: March 14th, 2007, 03:07 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  


Site Upgrade, Design Modifications & Administrative Support by:
Palm River Enterprises LLC, IT Solutions
President: Tom King, User ID=teking
This site is owned and operated by:
M715 Zone, LLC
President: Jon Schmidt, User ID=brute4c


If you have any suggestions, comments, problems or questions, contact:  brute4c@m715zone.com
Use of this site means you understand and agree to our TERMS OF USE

Copyright Notice:
This web site is subject to the protection of the copyright laws of the United States and other countries. Except for Personal Use Only, you may not modify, copy, distribute, transmit, display, perform, reproduce, publish, license, create derivative works from, transfer, or sell any information obtained from any part of the M715 Zone website without the prior written permission of M715 Zone, LLC. Written permission can only be obtained by contacting brute4c@m715zone.com

Copyright 1998-2024