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Thread: Vibration from the rear

  1. #1
    Join Date
    May 2019
    Location
    Germantown
    Posts
    1

    Default Vibration from the rear

    After pulling a tree stump my truck started having a vibration and slight rattle. It only happens when the truck is at speed but not under a load or deceleration. I checked the joints and they are tight and the carrier bearing has only slight play from the rubber bushings

  2. #2
    Join Date
    Apr 2001
    Location
    CA
    Posts
    13,573

    Arrow

    Welcome aboard!

    Stumps aren't all the same. Did it come out easy? Or was it one you probably should have used a Cat or explosives?

    (assuming by your handle this is a dually)

    Check the tires and wheels. A weak tire can be pushed over the edge. Look for a shifted belt, which is indicated by a crooked tread (give it a spin and watch it). Wheels get bent for any reason, or seemingly, no reason. Check for debris between the dual wheels. Stumps usually mean sticks around, and one may have got stuck up in there. Check for rocks/mud inside, as well.

    Check the exhaust system. Torquing the frame can cause hangers to give up.

    Check the engine and tranny mounts. Same reason as the exhaust.

    Check the spare tire. Could have been jarred loose. Stranger things have happened.

    Let us know what you find.
    1985 Blazer 6.2
    2001 GMC 2500HD D/A
    dmaxmaverick@thedieselpage.com

  3. #3
    Join Date
    Dec 2003
    Location
    Yukon Canada
    Posts
    1,612

    Default

    Just a quick question
    Where was the chain attached to the truck?
    90 Chev 3500 c/c 4x4,6.2na,400 auto,4:10 gears.DSG Timing gears,main girdle, isspro tach, pyro,boost,oil and trany temp.Dual Tstats, High volume peninsular pump,on shelf, Custom turbo and intercooler 85%complete. Change of plans for the dually, it's going to get a Cummins. Both trucks are Blue 90 4x4 crews

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