Hi, i have a Freightliner Century 12.7 Detroit that no longer turns left like it used

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Frghter Century 12.7 Detr, Mar 6, 2015.

  1. Frghter Century 12.7 Detr

    Frghter Century 12.7 Detr Light Load Member

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    Mar 6, 2015
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    Is this the Steering gear box which Freightliner is selling for $590 Reman or something else? Note.... it is leaking at every hose joint whice could be the clamps or something more serious inside gear box.
     
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  3. BoxCarKidd

    BoxCarKidd Road Train Member

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    If it turns good in one direction only it is usually the steering sector. Jack up the front end, engine off. You should be able to turn the wheels lock to lock ,side to side, turning the steering shaft buy hand and or pushing on the tires without any tremendous effort. If nothing is binding it's probably the steering box, nothing else in the system cares which way it's going. Fix the leaks! It's steering!
     
  4. Frghter Century 12.7 Detr

    Frghter Century 12.7 Detr Light Load Member

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    Mar 6, 2015
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    Yea I'm almost certain that it's the Steering gear box. It's a former fleet truck and now has over 800,000 miles.
     
  5. Blind Driver

    Blind Driver Road Train Member

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    Has the power steering filter been changed?
     
  6. Frghter Century 12.7 Detr

    Frghter Century 12.7 Detr Light Load Member

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    Mar 6, 2015
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    Don't think it has a filter but will replace Steering grear box and pump this Saturday.
     
  7. baha

    baha Road Train Member

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    Ck. inside p/s fluid can, filter sits inside can it should be changed every few oil changes.
     
  8. Frghter Century 12.7 Detr

    Frghter Century 12.7 Detr Light Load Member

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    Mar 6, 2015
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    Yes indeed, the mechanic showed me the filter that he took out of the ATF fluid reservoir and taught me how to replace. He changed the pump and gear box and steering system is working normally again. Thx for the info.
     
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