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Clank from front of blazer

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by MudFrog, Jul 7, 2000.

  1. MudFrog

    MudFrog 1/2 ton status

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    On my blazer I can hear a clank coming from the front (I think driverside). It only happens when I accelerate from a standstill and let off of the gas, and sometimes when I hit a really hard bump. I checked all my Ujoints, I checked the wheel for any play and there was none. Sometimes when I stop it almost feels like my front end slides forward a little bit. Judging by what I have discovered I'm thinking it might be the UBolts for my springs. Is there anyway I can test these to see if they are tight enough? I know a lot of times they will seem tight but that is just from the pressure the springs are putting out. Ya'll think of anything?

    89 K5 Silverado
     
  2. Burt4x4

    Burt4x4 3/4 ton status

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    I would use a torque wrench to tightn thoes Ubolts to spec!
    Check balljoints and spring bushings/shackles.
    Oh mabie a motor mount??
    Good luck

    Rock ON![​IMG] 72 K5 [​IMG] Led Zeppelin
    http://burt4x4.coloradok5.com
     
  3. MudFrog

    MudFrog 1/2 ton status

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    hmmm.....the reason I though it was the U bolt is it's only from stand still, I can be driving down the road and Gun it and I don't hear anything.

    89 K5 Silverado
     
  4. rem7600

    rem7600 1/2 ton status

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    MudFrog,

    I've got something similar and had it
    "in" to the tranny shop the other day.
    They diagnosed a bad left motor mount.
    You might have it checked. I think it's
    going to run in the $100 vicinity to
    have it fixed. The good news (for me)
    is they said tranny is doing great.

    I'd be interested in hearing what you
    find out when all is said and done(aka
    diagnosed and/or fixed).

    [​IMG]
    <font color=purple>REM7600 - '89 Jimmy</font color=purple>
     
  5. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

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    Damn I need to start a repair buisness. I would be rich in short order. $100 bucks to replace a $20 motor mount. Even if I had to rent a hoist for a day at $39 I would still pocket good change for the 20 minutes of work it would be once the hoist was assembled.

    Diging it in the dirt with my K5's
    Grim-Reaper
    http://grimsk5s.coloradok5.com/
     
  6. 90K5

    90K5 1/2 ton status

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    If it's from the springs take off the spring plate and make sure the center bolt is there. That would explain the sliding forward. Then tighten the U bolt really tight with a big wrench. I doubt the torque specs really matter for something like that that doesn't have to move much
     
  7. nyyef

    nyyef 1/2 ton status

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    a long time ago i had something like that but from the passenger side.
    it ended up being that body mount that looks like a little box up front. it had collapsed. it took forever to figure that one out.

    Knife.
     
  8. MudFrog

    MudFrog 1/2 ton status

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    I'll check out my motor mounts, but the guy I bought it from just had the motor replaced around 15,000 miles ago, I'm sure he went ahead and had new motor mounts installed also. But I guess ya never know. I'll check that out here in a few and let ya'll no something. Also if it was a motor mount wouldn't I get vibration when the motor is running? I have no vibration what so ever.

    89 K5 Silverado
     
  9. rem7600

    rem7600 1/2 ton status

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    They had a lot higher price on the mount than $20
    (which I found out once I started thumbin' through
    the books). Grim, I have no place to do it now...
    I've done my share of motor/clutch(etc.) replacements
    but feel it's easier to pay someone to do it now.
    The $100 quote was from a dealer. I HATE to say it
    but they're the only ones that I've found in town
    (so far) that have been 100% honest, the first time!
    I've tried to prove them wrong under a couple of
    situations and have failed. If anyone's got
    suggestions on an honest mechanic in Coeur d'Alene
    Idaho I'd be glad to listen. Their quote was for
    a $35 mount(high) and an hour labor. I couldn't
    do it for that... The grass is always greener remember... :-))) Thanx for the heads up though...

    [​IMG]
    <font color=purple>REM7600 - '89 Jimmy</font color=purple>
     

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