Question about Pontiac Sunfire

4 Answers

Momentarily pulls left when accelerating (feels drifty/floaty like being pushed sideways by a strong breeze), then pulls right(same thing) when letting off accelerator. no play/slop in steering.

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  • jjb0119 May 05, 2010

    At speeds over 25 MPH, vehicle momentarily pulls to the left when the accelerator is depressed; feels like a strong gust of wind pushed the vehicle momentarily. This is only momentary. When accelerator is let off, the same thing happens on the right side. The vehicle doesn't pull left or right during constant velocity, only during acceleration and deceleration.

  • jjb0119 May 05, 2010

    4 brand new tires, mounted and balanced on April 30, 2010.

  • jjb0119 May 07, 2010

    Thanks for responding.



    As mentioned, this only happens momentarily when accelerating. Otherwise, the vehicle maintains a straight path, no pulling to either side, no droning, or other noticeable noises. There is no play or slop in the steering either, steering is fairly tight.



    Thanks for your assistance,

    J.B.

  • jjb0119 May 07, 2010

    Please bear with me, I'm new to this site and still trying to navigate my way through here. You have been helpful, I will repond with positive approval once I figure out how....

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4 Answers

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This is fairly common on some of the older front wheel drive vehicles and is called "torque steer". You have one axle that is responsible for actuall power the wheels. When heavily accelerated, the wheel will pull to that side. The best thing to do is to raise the front of the vehicle and rotate the wheels noting if any resistance is felt(i.e sticking brakes, grinding in the wheel bearings, etc.). Does the car have any drone while going forward? Let me know what you find and I will be happy to help and advise.

Posted on May 07, 2010

  • Kori Policy
    Kori Policy May 07, 2010

    Take your time. It takes a while to, as you said navigate, so you become more proficient. Is this car new to you?

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Try checking the bushings on the power steering rack. and also try unloading the tie rods before you check them, if its pulling on acceleration, it could be a torque steer, which is not what your describing, which is a drift in steering from a front wheel drive vehicle that comes from more torque being applied to one side more then the other, normally a result of a longer drive axle on one side then the other, the main reason honda used half shafts. I would recommend the tie rod, ball joint checking first. has to be something with play

Posted on May 05, 2010

  • Xander  Kravitz
    Xander Kravitz May 07, 2010

    have you checked and cleaned the front caliper slides and tested the retraction?

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Hi! This maybe simple. Check the tire pressure if they are equal. The left tire must be underinflated thats why its pulling left. Hope this helps and have a good one!

Posted on May 05, 2010

  • dj_relly999
    dj_relly999 May 05, 2010

    Thats good to hear. Alrighty, please have this chekced:

    - Stabilizer bushing on the left may be worn thats why its pulling, you will need to replace this but its better to replace both ends.

    - Tie rod end may be worn

    Have it checked and replaced and I believe you'll be good.

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I've seen this in Pontiac Fieros and each time it leads to a rack replacement

however, I have also seen intermittent power steering pump issues that I found by installing a pressure gauge and driving the vehicle until it acted up

every time the vehicle would pull I saw a spike in pressure. My theory is that the splines in the pump would bind intermittently.

So given your choices and the possibility you don't have the $500 p/s pressure tester, I'd replace the pump first because its cheaper and easier than the rack...plus you don't need to do an alignment afterward




Posted on May 05, 2010

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  • Sean Reisdorf
    Sean Reisdorf May 05, 2010

    with the new additional comments I'm going to stick with the p/s pump issue

    cheap and easy....


  • Sean Reisdorf
    Sean Reisdorf May 07, 2010

    I'm always seeking perfection

    Can you tell me what I need to provide in order to get a 4 thumbs rating?

    I'm rated as your 3rd best solution with only two thumbs so I'm worried I may have said something that wasn't helpful





  • Sean Reisdorf
    Sean Reisdorf May 07, 2010

    no problem

    I totally understand and I have asked the administrators countless times to make it easier to communicate between you the customer and us the techs

    glad I could help



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