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Does your S70 also slightly wander to the right on highways? S70 1999

posted by  someone claiming to be Rob A on  Mon Aug 9 22:40 CST 2004 [RELATED]

My S70, despite 3 alignments, very slightly pulls to the right on most highways. When the highway inclines to the left however, which isn't all that frequent, the car very slightly pulls to the left.

Is this normal and related to the crown of the road (i.e. the car wants to go down)?

Do all S70s tend to drift to the right on highways?

TIA,

R
'99 S70 2.0 na 236Kkm
'89 745 378Kkm








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    This happened to me...turned out S70 1999

    posted by  cn on  Fri Sep 10 16:43 CST 2004
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    1. tire pressure on one tire is R Front 34 and L Front is 37 psi.

    2. I had a puncture and changed a tire (3 tires 20K miles old and a new one on the right).

    Even the slightest amount of uneven tire tread can do this.

    So check both #1 and #2 above.

    Let us know.

    cn
    1998 V70








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    Does your S70 also slightly wander to the right on highways? S70 1999

    posted by  someone claiming to be Rob B on  Thu Sep 2 10:08 CST 2004 [RELATED]

    I am new to Volvo's but I am not new to engineering, a well set up car WILL follow the camber of the road. This is more noticable with wider tyres.

    I have the same problem with my Volvo T5. I am going to be checking it on a quiet side street like this...

    1.Drive down the road, keeping to one side of the road (say the south side) and make a note of how the car wanders.

    2.Now drive UP the same road, keeping to the side you were on before (South) and note the wander.

    Which ever direction you drive, the car should wander to the lowest side of the road, if not, there is a fault.

    Check:
    Tyre pressures,
    Tyre types,
    Tyre sizes,
    Tracking,
    and so on








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    Does your S70 also slightly wander to the right on highways? S70 1999

    posted by  someone claiming to be Stormin Norman on  Tue Aug 10 02:00 CST 2004 [RELATED]

    This is not drifting, you are following the road crown. Roads are typically peaked in the center for drainage. If you were in the left lane and it pulled right or drove straight ahead, now you are drifting right. This is usually caused by a bad tire or alignment.


    Some tires are more sensitive to following the road crown than others, dunno why. You can also try different tire pressures. I believe if you go down a couple of pounds the crowning will diminish.








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      Does your S70 also slightly wander to the right on highways? S70 1999

      posted by  Forsythe99x on  Tue Aug 10 04:18 CST 2004
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      last visit: Sun Dec 2 07:17 CST 2012
      [RELATED]

      I have the same problem but my friend who works at a tire shop said when they align cars they do it so it will drift a bit to the right. It is done so that if someone where to fall asleep at the wheel they would not drift into head on traffic but to the shoulder.








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        Does your S70 also slightly wander to the right on highways? S70 1999

        posted by  DG on  Tue Aug 10 05:10 CST 2004
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        I REALLY doubt that. Thats downright dangerous. My car drives straight as an arrow down the road, almost drives itself, and thats how its supposed to be. The crown of the road doesn't really effect my car either.

        DG
        --
        1998 S70 T5M








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          Does your S70 also slightly wander to the right on highways? S70 1999

          posted by  phly50 on  Tue Aug 10 09:19 CST 2004
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          last visit: Thu Feb 21 10:55 CST 2013
          [RELATED]

          I agree with DG above in all respects. No problems with 'drivability' in any way with our '98 S70.
          --
          '98 N/A S70 145,900Klm








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            Does your S70 also slightly wander to the right on highways? S70 1999

            posted by  bryan goldberg on  Tue Aug 10 16:00 CST 2004
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            last visit: Wed Jun 26 12:41 CST 2013
            [RELATED]

            No problems with mine either.

            If the road has a pronounced crown the car will mildly track to the low side.

            Usually it tracks straight and requires little or no driver correction.

            It sounds like you've rounded up the usual suspects.

            Bryan








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          Does your S70 also slightly wander to the right on highways? S70 1999

          posted by  DG on  Tue Aug 10 05:13 CST 2004
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          Oh and heres another thought, how are your engine/trans mounts? I know its only during acceleration that those really make a noticable difference, but its a possibility. When my upper engine mount went, the torque steer was magnified like 50 times, and the car would be all over the place.

          DG
          --
          1998 S70 T5M








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            Does your S70 also slightly wander to the right on highways? S70 1999

            posted by  MilwaukeeVolvo on  Wed Aug 11 05:56 CST 2004
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            try a different alignment shop!!!

            Maybe a dealer or an import specialist.

            All cars should drive dead on straight. IF your steering seems a little off center or pulling to one side or another you will need an alignment.

            I have driven on all kinds of roads and i dont think the type of roads matters.






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