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When I'm turning backwards or forwards it want to jerk and jump really bad. ????

(2007 Saab 9-7x)
in Minneapolis, MN on December 15, 2013
It's like the wheels are turning at different times
Displaying 3 answers & 9 comments
Popular Answer
on February 06, 2016
After 43 years in the auto repair business... I simply choose not to participate in Idiocracy! .. I do not have a crystal ball .. so I'll stick with 'testing' before wasting money by guessing at any problem, as that is still 'proven' to be the best option... Now you do as you wish...but should practice what you preach! ..
of G. T. Service Center on December 15, 2013
Have the CV shafts/joints checked.
on December 15, 2013
I sure will. I was told that it could be a rear wheel sensor. Could that be? It's like when I turn the wheels are turning at different times.
of G. T. Service Center on December 15, 2013
When you turn the wheels, they will turn at different speeds. If the speed sensor is bad, the ABS pump will activate recognizing the wheel wasn't turning, but that should happen all the time the car is moving. A wheel bearing could also be a cause. Have it inspected to be sure. Another comment is to have the rear differential oil inspected for the limited slip function.
on December 15, 2013
Almost sounds like the 4wd model's with 4x4 active while turning on dry pavement. This is awd i think. But it is GM.
on December 15, 2013
That's what I thought but I have the button off. It's something in the rear end. Like I said when I turn it jumps real hard. Jumping over and over until I straighten out. That's forwards and backwards
of G. T. Service Center on December 15, 2013
That's the rear end clutches sticking.
on December 15, 2013
As stated, have it checked out. Also the limited slip as suggested. Note; 4x4 may still be active even with the button off! Happen all of a sudden like? Any popping noise while it is doing this?
on December 15, 2013
Yea it doesn't start all of the sudden it happens all the time. Bucking, jumping like I said untill it straightens out. Thank you all for your comments.
on March 12, 2015
buy a four wheel drive actuator for $150 on line.10 min dyi fix [1 plug and 2 bolts]is a piece of cake!!you-tube video under chevy trailblazer four wheel drive actuator replacement.
on March 12, 2015
LMAO at that one.... Plus that posted question is over 2 years old!!! .. WTH.
on February 05, 2016
People still Google to find answers, adding additional information as it is discovered is helpful to other people. Isn't that what this board is for? And his post is actually right. We went through 4 actuators until our mechanic found that the right front wheel bearing was bad, causing the wheels to move at different speeds. This was causing failure of the actuators. In addition, the abs started constantly coming on when breaking at times when abs was not needed. New wheel bearing and now we have zero abs or stability track errors. You really shouldn't comment if you don't have anything helpful to add.
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