Clunk in front after lift?

jorge.alves.5015 Apr 19, 2016

  1. jorge.alves.5015

    jorge.alves.5015 Test Drive

    Messages:
    36
    Location:
    New York
    I lifted my truck about 16,000 miles ago. I'd do rough country 2.5 inch in the front and 1.5 in the back. When the wheels drop in the front say coming off a driveway or hitting a pot hole I hear a clunk in the front. Depending how fast they drop the volume of the clunk is different. What is it and is it a major issue?

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  2. Muadeeb

    Muadeeb Bastard Admin from Hell Admin

    Messages:
    15,767
    Location:
    Dallas
    My first guess is coil bucket contact, but one of the 2nd Gen guys may have a better idea
     
  3. Slasa

    Slasa Lockers Installed

    Messages:
    1,751
    Location:
    Denver
    Deeb is probably right. Pics will help, particularly with it drooped.
    I swear 2nd gens just start clunking for no reason sometimes.
     
  4. JeffPro4x

    JeffPro4x Hot Pipe Moderator Supporting Member

    Messages:
    8,493
    Location:
    Glenside, PA
    With 2.5 up front and stock control arms, I'd bet green money that its coil bucket contact.
     
  5. JeffPro4x

    JeffPro4x Hot Pipe Moderator Supporting Member

    Messages:
    8,493
    Location:
    Glenside, PA
    And it can lead to cracking of the control arms or coil buckets.
     
  6. jorge.alves.5015

    jorge.alves.5015 Test Drive

    Messages:
    36
    Location:
    New York
    Hmm so the fix would be new control arms?

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  7. TheFauxFox

    TheFauxFox Titan Swapped / SAS'd Founding Member

    Messages:
    6,005
    Location:
    Tuscaloosa, AL
    Or large bump stops, yes.
     
  8. thecoalition

    thecoalition Call me Daddy Super Moderator Supporting Member

    Messages:
    6,914
    Location:
    Richmond, Va
    Probably coil bucket, but another thing to look at would be your sway bar movement up front. With the extra travel, you could actually be bottoming out your sway bay on down travel. I had a consistent issue with mine until I got extended links. It's still there at absolute max, but no where near as much as it was.

    But yea...probably cbc. Another thing to check can be play in the bolts of the bottom shock mount. I know a lot of guys running radflo coilovers have had that be their issue.
     
  9. jorge.alves.5015

    jorge.alves.5015 Test Drive

    Messages:
    36
    Location:
    New York
    Hmm I'll have to check that out. I don't see it hitting the coil bucket. Or at least don't see evidence of it.

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  10. jsexton

    jsexton Bought an X

    Messages:
    57
    Location:
    Lewis Center, OH
    If you didn't tighten your lca's enough, they can clunk too. Most likely CBC though.
     
  11. jorge.alves.5015

    jorge.alves.5015 Test Drive

    Messages:
    36
    Location:
    New York
    Okay guys I investigated the problem and it's definitely the uca hitting the bucket. There's a clean cut where the uca are hitting the bucket about 1/32 of an inch deep. What uca would you recommend to fix this? They have to be longer correct? Sorry I'm new to this. I've had the lift on the truck for almost a year now like this.

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  12. njnewb

    njnewb Test Drive

    Messages:
    43
    Location:
    US
    I have the same issue in my 06 xterra, new upper control arms will do the trick

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