Unstable driving down the road

Discussion in 'Volvo Forum' started by Jon Wheeler, Oct 14, 2020.

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  1. Oct 14, 2020 #1
    Jon Wheeler

    Jon Wheeler Bobtail Member

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    2020 Volvo day cab. We've gotten eight new semis at my company, and everybody has noticed a tracking on the road issue really bad. It's almost like they're drifting left and right when you're holding the steering wheel straight. Anybody else with this issue?
     
    Jon Wheeler, Oct 14, 2020
    Jon Wheeler, Oct 14, 2020
    #1
    truckdriver31 Thanks this.
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  3. Oct 14, 2020 #2
    truckdriver31

    truckdriver31 Road Train Member

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    its called wander. the caster is set at zero from factory. you need to have the caster adjusted. it needs some pull towards each other to keep it tight.
     
    truckdriver31, Oct 14, 2020
    truckdriver31, Oct 14, 2020
    #2
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  4. Oct 14, 2020 #3
    truckdriver31

    truckdriver31 Road Train Member

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    just look up wander and info on caster adjustments.
     
    truckdriver31, Oct 14, 2020
    truckdriver31, Oct 14, 2020
    #3
  5. Oct 15, 2020 #4
    Johny41

    Johny41 Road Train Member

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    Are your trucks equipped with Hendrickson Steertek air spring steer axle?
     
    Johny41, Oct 15, 2020
    Johny41, Oct 15, 2020
    #4
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  7. Oct 15, 2020 #5
    daf105paccar

    daf105paccar Road Train Member

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    How many miles on them?
    Which tires?
     
    daf105paccar, Oct 15, 2020
    daf105paccar, Oct 15, 2020
    #5
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  8. Oct 15, 2020 #6
    truckdriver31

    truckdriver31 Road Train Member

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    its what i told him.
     
    truckdriver31, Oct 15, 2020
    truckdriver31, Oct 15, 2020
    #6
  9. Oct 19, 2020 #7
    6cuda6

    6cuda6 Light Load Member

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    Curious...no further info on this? Alignment is a good one to check for sure.....i just see a few other posts on this problem and it seems to be common to this axle after a bit of mileage...was wondering if anyone has sorted it out.
     
    6cuda6, Oct 19, 2020
    6cuda6, Oct 19, 2020
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  10. Oct 19, 2020 #8
    dibstr

    dibstr Road Train Member

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    Caster doesn’t do that. Caster is the forward or rearward tilt of the steering.
     
    dibstr, Oct 19, 2020
    dibstr, Oct 19, 2020
    #8
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  11. Oct 19, 2020 #9
    dibstr

    dibstr Road Train Member

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    I’ve had this happen with really deep tread depths on drive tires especially around 24/32.
     
    dibstr, Oct 19, 2020
    dibstr, Oct 19, 2020
    #9
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  12. Oct 19, 2020 #10
    truckdriver31

    truckdriver31 Road Train Member

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    i would put $100 on the front is set to zero from the factory
     
    truckdriver31, Oct 19, 2020
    truckdriver31, Oct 19, 2020
    #10
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