Truck steering

Discussion in 'Peterbilt Forum' started by Jace379, Mar 20, 2017.

  1. Jace379

    Jace379 Light Load Member

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    Ok to start this off this isn't really a post for me, it's for my dad. He's 70 years old and is trucking away in his 379. It's a 98 and he refuses to get in anything else but he won't stop complaining about his shoulder hurting. The truck doesn't turn that hard but hard enough for him I guess. Now I have another 379 that turns with your pinky finger, it's almost wierd to drive cause the steering feels like it's not even hooked up, amazingly easy to steer. So my question is whether its the steering box or the pump that makes it so easy. It doesn't look any different from what I can tell and it's the same amount of revolutions to turn the wheels to full lock. Any ideas?
     
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  3. bigguns

    bigguns Road Train Member

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    I am interested in the opinions on this. So yeah I would like to know how this comes about in any two trucks.
     
  4. baha

    baha Road Train Member

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    You can ck. the power/steering filter after you change it to see how much its clogged, then see how easy it will turn with a new filter put in?
     
  5. AModelCat

    AModelCat Road Train Member

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    Check tire pressure first.

    Steering pressures could be low or something bypassing inside the box or pump.

    Steering alignment. Caster and camber can affect steering effort.
     
  6. BoxCarKidd

    BoxCarKidd Road Train Member

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    Picture and or brand and model of your steering boxes?
     
  7. Jace379

    Jace379 Light Load Member

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    I will get that info and pictures, also it will turn by placing your pinky ontop the wheel while parked, I will check the filter but I don't think that's it.
     
  8. Steel Dragon

    Steel Dragon Road Train Member

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    Get rid of that old pos.
     
  9. Jace379

    Jace379 Light Load Member

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  10. daf105paccar

    daf105paccar Road Train Member

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    Do both steeraxles have the same weight on them?
     
  11. dustinbrock

    dustinbrock Road Train Member

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    My 08 389 started having issues with turning. I couldn't turn it without the truck moving and turning off the highway took some grunting.

    Replaced the little power steering pump on the compressor and it's good as new!
     
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