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FL112 with Shakey mirrors, any quick fix?

Discussion in 'Freightliner Forum' started by JD Transport, Sep 26, 2015.

  1. Sep 26, 2015 #1
    JD Transport

    JD Transport Light Load Member

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    Sep 24, 2014
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    I recently purchased a 2000 Freightliner FL112 day cab, running local. My biggest complaint about this truck is its one rattling, shakin SOB. The mirrors shake when backing into docks, making it a pain to see what youre doing. Its got the old style basic mirrors, they are heated but #### do they shake. Anyone had this problem and have a way you fixed it??
     
    JD Transport, Sep 26, 2015
    JD Transport, Sep 26, 2015
    #1
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  3. Sep 26, 2015 #2
    spyder7723

    spyder7723 Road Train Member

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    It's caused by the vibration the engine makes. Trying to track that down will be a lot of trial and error. Start by making sure the mirror and doors are still nice and tight. Then work your way back to the engine checking every mount and bushing among the way. hopefully you find a worn cab bushing or engine mount. If not you may be looking at a worm out crank balancer or dampener.
     
    spyder7723, Sep 26, 2015
    spyder7723, Sep 26, 2015
    #2
  4. Sep 26, 2015 #3
    AModelCat

    AModelCat Road Train Member

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    Canuckistan
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    What's your idle speed? If the shaking stops at just above idle RPM you might be able to get the dealer to bump the idle speed up a couple RPM. I would check for loose/worn parts like Spyder suggested first.
     
    AModelCat, Sep 26, 2015
    AModelCat, Sep 26, 2015
    #3
    blairandgretchen Thanks this.
  5. Sep 26, 2015 #4
    baha

    baha Road Train Member

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    Try to use the cruz. con. switch to rase the idle and see if it says hi after its in gear?
     
    baha, Sep 26, 2015
    baha, Sep 26, 2015
    #4
    blairandgretchen Thanks this.
  7. Sep 30, 2015 #5
    JD Transport

    JD Transport Light Load Member

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    Sep 24, 2014
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    thanks for the input everyone! I've had the truck looked at by my company's mechanics, they just tell me its normal for it to shake and that those mirrors are just like that. If the idle is bumped up just a bit it takes care of all that rattle/shake, smooths right out.
     
    JD Transport, Sep 30, 2015
    JD Transport, Sep 30, 2015
    #5
  8. Oct 1, 2015 #6
    KB3MMX

    KB3MMX Road Train Member

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    Dec 29, 2014
    Orrstown, PA
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    Man that's just how those old 112's were.
    The mirrors almost pulsed to the thumping of the motor, sometimes made them completely useless.
     
    KB3MMX, Oct 1, 2015
    KB3MMX, Oct 1, 2015
    #6
    FinkPloyd Thanks this.
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