Drivetrain Encompasses driveline components such as the torque converter, clutch, transmission, shifter, front and center differentials, driveshaft, rear differential, and axles.

Car pulls to the right under acceleration

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Old 05-06-2013, 10:24 AM
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Location: Monterey CA
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Car Info: 2004 Subaru WRX STI
Car pulls to the right under acceleration

When I'm driving on the highway and I give the car gas, it pulls pretty hard to the right, but when I let go of the gas it's fine. I put my diff control on the furthest back position and it doesn't do it anymore. Any ideas?
Thanks
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Old 05-06-2013, 10:35 AM
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did you do that test at the same exact place? could be the road. what are your alignment settings at?
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Old 05-06-2013, 11:15 AM
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Car Info: 2004 Subaru WRX STI
It does it everywhere, and what are you reffering to, caster, camber, toe in or toe out?
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Old 05-07-2013, 04:30 AM
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Car Info: 04 FXT 6-Speed, 02 WRX(Sold)
My swapped forester pulls to the left when I floor it and then when I let off and still have the wheel turned slightly to the right to compensate I go flying back over to the right. And just like in your case when I turned up my dccd it would allow it to pull straight. Does it do it in Auto mode? I only have the manual controller so can't see if auto corrects for this or not.
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Old 05-07-2013, 09:46 AM
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Yea. It only does it in auto mode.
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Old 05-08-2013, 03:57 PM
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On the off chance, have you checked your tire pressures?
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Old 05-08-2013, 03:58 PM
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Tire pressure and front end bushings. Check or replace those.
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Old 05-08-2013, 04:10 PM
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Torque steer?

Serious note, it's probably your tire pressure, alignment, and or worn bushings.
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Old 05-18-2013, 11:57 AM
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It was a combination of my bushings and tire pressure. Thanks!
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Old 05-29-2013, 05:01 AM
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Which bushings did you replace? control arm?
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Old 05-30-2013, 08:33 AM
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Car Info: 2006 WRB WRX Wagon
Bad outer tie-rod 'ball-joints' can also cause this issue along with the stated possibilities. My wagon was pulling to the left under acceleration, and wala it's the darn outer tie-rod joint flexing with tons of play.
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