Front Suspention (air-ride)

Discussion in 'Volvo Forum' started by calvint88, Sep 19, 2013.

  1. daf105paccar

    daf105paccar Road Train Member

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    Apr 15, 2012
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    My previous truck had the same issue.
    Aldough it wasn't air-ride or a Volvo,there was a lesson learned in solving the problem.
    Like the OP i went to a alignment shop ,they did their thing,truck pulled to the right like you wouldn't believe.
    It was actually worse then before.
    Went back to that shop,they redid it,no use.......said they had done all they could,wasn't fixable according to them.
    Then ,on the advice off a friend,i went to a place where they did mainly chassis alignment,basicly they straighted wrecked trucks.
    As a side bussiness they did "normal" alignments as they had the equipement allready and could generate extra cash with it.
    They found out that my axle wasn't bent correctly at the right side(just past where the spring is,where the S curve is)
    With them having the heavy duty equipement for straighting chassis,it was very easy for them to bent the axle to the correct position.

    So in short my advice,maybe go to a shop where they straighten truckchassis as those guys have the equipement to measure and if needed bend your axle to the correct setting.

    ps if your axle does need bending,pls go to a very good workshop as bending any axle is a delicate operation,no room for the slightest error.
     
    Last edited: Sep 28, 2013
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  3. calvint88

    calvint88 Bobtail Member

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    Dec 25, 2009
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    How do you do axle alignments, I mean to shift BOTH rear axles to the right about 3/8 inch for an air ride front end, how can you tell without alignments machine?
     
  4. TNeverending

    TNeverending Bobtail Member

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    Feb 27, 2014
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    Can you put a shim in the front axle with front air bags? According to a couple of alignment shops I have been to, they say you can't.
     
  5. pupeperson

    pupeperson Light Load Member

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    Jun 9, 2013
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    The Pete dealership in Reno put shims in mine. Been there so far about 90,000 miles w/ no problems. That's on the proprietary Peterbilt front air suspension. In my truck, the front axle appears to be a typical I-Beam front axle, not something hollow. It just has air springs augmenting a very light leaf spring arrangement that only supports about 25% of the load.
     
    TNeverending Thanks this.
  6. TNeverending

    TNeverending Bobtail Member

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    Feb 27, 2014
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    Thanks for the info. Sounds like the same front axle that is on my T660.
     
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