Question about Pontiac Sunfire
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
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
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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Posted on Jan 02, 2017
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