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in dire need of help

Discussion in 'Trucks [ Eighteen Wheelers ]' started by louu481, Dec 21, 2013.

Page 1 of 2
  1. Dec 21, 2013 #1
    louu481

    louu481 Bobtail Member

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    Dec 21, 2013
    0
    I have a 2007 freightliner century and after numerous visits to shops in and around houston have come up with nothing. I have 821000 miles on it. I have a knocking sound under floorboard on driver side that I can feel when I go over bumps .the sound starts loud then lowers with only 3 to 5 knocks.It does it mainly while bobtailing . I dont feel it under a load unless I roll over a very big bump at an higher speed. Not sure if this has anything to do with it but when I hit my brakes hard I feel a thump at the end of my brake.also no wear in tires. And u bolts are in good shape. I really would appreciate some info. Thanks in advance
     
    louu481, Dec 21, 2013
    louu481, Dec 21, 2013
    #1
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  3. Dec 22, 2013 #2
    AUSSIE DAVE

    AUSSIE DAVE Road Train Member

    1,032
    176
    Feb 21, 2010
    OZ - Brisbane
    0
    I have that on my argosy, on mine it's worn sway bar bushes/rubbers
     
    AUSSIE DAVE, Dec 22, 2013
    AUSSIE DAVE, Dec 22, 2013
    #2
  4. Dec 22, 2013 #3
    bubbanbrenda

    bubbanbrenda Road Train Member

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    650
    Feb 27, 2011
    Middletown,Oh.
    0
    Cab bushings and cab air ride "sway bar" bushings.
     
    bubbanbrenda, Dec 22, 2013
    bubbanbrenda, Dec 22, 2013
    #3
  5. Dec 22, 2013 #4
    123456

    123456 Road Train Member

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    Oct 22, 2010
    32179
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    Could be a small kia wedged in there.......

    ya never know !!

    :biggrin_2551:
     
    123456, Dec 22, 2013
    123456, Dec 22, 2013
    #4
    RustyChops41, Cetane+ and Skydivedavec Thank this.
  7. Dec 22, 2013 #5
    Cat sdp

    Cat sdp . .

    20,963
    72,994
    Apr 8, 2012
    Orion's Belt
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    Check the cab shock bolts too......
     
    Cat sdp, Dec 22, 2013
    Cat sdp, Dec 22, 2013
    #5
  8. Dec 22, 2013 #6
    heavyhaulerss

    heavyhaulerss Road Train Member

    3,723
    2,040
    Dec 23, 2009
    AL/TN BORDER
    0
    well at least it does not sound like major engine damage. sorry I could not be more helpful.
     
    heavyhaulerss, Dec 22, 2013
    heavyhaulerss, Dec 22, 2013
    #6
  9. Dec 22, 2013 #7
    zenaddler

    zenaddler Light Load Member

    158
    130
    Nov 7, 2013
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    I drive a 1999 FDL and it has done that for years. I will check out the anti sway bar bushings. If you get on empty at mm 63 55 south in ar it will bang for about 10 miles. Not so bad anywhere else.
     
    zenaddler, Dec 22, 2013
    zenaddler, Dec 22, 2013
    #7
  10. Dec 22, 2013 #8
    Blind Driver

    Blind Driver Road Train Member

    3,081
    1,406
    Aug 7, 2006
    New Albany, IN
    0
    I can't believe nobody could find such a simple problem :biggrin_2552:

    Sometimes the effort has to be made to jack up the truck, put the frame on stand and then shake everything down and even to take a prybar and start prying to find out hat is not supposed to be moving around.
     
    Blind Driver, Dec 22, 2013
    Blind Driver, Dec 22, 2013
    #8
  11. Dec 22, 2013 #9
    zenaddler

    zenaddler Light Load Member

    158
    130
    Nov 7, 2013
    0
    it is not my truck. They wont fix it unless I point to it.
     
    zenaddler, Dec 22, 2013
    zenaddler, Dec 22, 2013
    #9
  12. Dec 22, 2013 #10
    louu481

    louu481 Bobtail Member

    2
    0
    Dec 21, 2013
    0
    Thx for the info. I hope thats the problem. One would wonder how the back of the cab would bang under drivers side floorboard. Tomorrow morning I'll let my mech take a look.
     
    louu481, Dec 22, 2013
    louu481, Dec 22, 2013
    #10
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