Pull to the Right
08-26-2011, 01:59 AM
#1
Track Day
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Pull to the Right
I have a 2001 996 C2 with a dramatic pull to the right. After installing Tarett camber plates and toe links (with bump steer) I had car been aligned by a very competent race mechanic. In attempt to eliminate the pull I have: flipped the front wheels, flipped the rear wheels, disconnected the sway bar control links (one at a time with a test drive each time), had another shop verify the alignment (it is). Where do I go from here?
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08-26-2011, 03:26 PM
#8
Race Director
I have a 2001 996 C2 with a dramatic pull to the right. After installing Tarett camber plates and toe links (with bump steer) I had car been aligned by a very competent race mechanic. In attempt to eliminate the pull I have: flipped the front wheels, flipped the rear wheels, disconnected the sway bar control links (one at a time with a test drive each time), had another shop verify the alignment (it is). Where do I go from here?
My WAG has to be alignment (in spite of the fact two shops claim the alignment is ok). The poster who asked to see a printout of the alignment asked the right question. Whenever I fail to get a full printout of the alignment with before and after numbers is when I find the alignment was not done right.
That you have moved tires/wheels around eliminated tire pressure, differences in tires...maybe.
I'm not sure what the results would be if say one (or more) uni-directional tires were installed the wrong direction.
Also, have you closely checked each tire to confirm all tires have the right sizes, tread hardness, speed ratings, etc? Is one tire's date quite a bit different from the other tires?
I find it hard to believe a bearing could be dragging enough to cause the car to pull and the bearing not showing signs of distress (like glowing red from the heat...).
Are the half-shafts in good repair and both attached?
Otherwise I'm stumped.
Sincerely,
Macster.
08-29-2011, 01:38 AM
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Track Day
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Here are some current possibilites: possible control arm bushing; however shouldn't be an issue given there is only 52k miles on the car. Corner balancing is another "potential" but would require a corner to be off by 200+ pounds.
08-29-2011, 01:47 AM
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Macster,
All good points. The steering wheel is centered. My tires are relatively new and sizes are equal. Tire pressures have been cheked multiple times. To totally eliminate the possibility of any tire issues, I have decided that my next step is to take my Boxster wheels and tires and mount them on the 996. Initially I put the Boxster fronts on and there was little change. I gonna do all four. I was also going to check to see if a brake caliper is draging. From there I was going to check my control arm bushings.
All good points. The steering wheel is centered. My tires are relatively new and sizes are equal. Tire pressures have been cheked multiple times. To totally eliminate the possibility of any tire issues, I have decided that my next step is to take my Boxster wheels and tires and mount them on the 996. Initially I put the Boxster fronts on and there was little change. I gonna do all four. I was also going to check to see if a brake caliper is draging. From there I was going to check my control arm bushings.