Unstable driving down the road

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

  1. Jon Wheeler

    Jon Wheeler Bobtail Member

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    Oct 14, 2020
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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?
     
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  3. 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.
     
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  4. truckdriver31

    truckdriver31 Road Train Member

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    just look up wander and info on caster adjustments.
     
  5. Johny41

    Johny41 Road Train Member

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    Are your trucks equipped with Hendrickson Steertek air spring steer axle?
     
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  6. daf105paccar

    daf105paccar Road Train Member

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    How many miles on them?
    Which tires?
     
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  7. truckdriver31

    truckdriver31 Road Train Member

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  8. 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.
     
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  9. dibstr

    dibstr Road Train Member

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    Caster doesn’t do that. Caster is the forward or rearward tilt of the steering.
     
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  10. 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.
     
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  11. truckdriver31

    truckdriver31 Road Train Member

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    i would put $100 on the front is set to zero from the factory
     
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