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Old 01-17-2023, 10:29 PM   #1
jrr33468
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Join Date: Jan 2023
Drives: 2013 FRS 10 Series
Location: USA
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2013 Scion FR-S Steering Wheel Wandering (Information Dense)

(1) Car Information:

-Year/Trim: Scion FRS 2013 10 Series

-Millage: 110,000

-Trans: Manual

-Location- Lower United Sates ( never in the north)



(2) Problem:

My steering wheel does not always point straight when driving straight. Straight position wanders with steering wheel 10 degrees clockwise after left hand turn and/or intense bump and/or elevation change in road. Creates hazard. I pucker the poop shoot every time turning left at speed. I describe the issue as feels like the car is tripping over itself.

What is going on!!?!?!?!?



(3) Problem Origination:

Ran over rubber wheel choc with front RH/Passenger side wheel. Swerved left , hit it, then ran off road. Insurance covered initial body work in late 2021 into 2022. ( New bumper, side rail bondo)



(4) Symptoms (since wreck, some days are worse, some days very minor):

-Increased bump steer

- Floaty suspension

- When steering wheel angle locks clockwise, small to large jerk back to center as steering wheel returns to 0 degrees. This typically causes ABS to turn on. I reduce speed.

-when steering wheel angle locks clockwise, I can jerk steering wheel to return to center, hit bump to return to center, or wait to be jerked back. If road is even, I can drive over a mile with steering wheel positioned/locked 10 degrees clockwise. (At times when jerking steering wheel back to center ABS engages. At times I feel like I can hear a small grinding sound as I jerk the wheel, which may still be ABS but no ABS light.)

-Pinball effect, when issue happens at speed (typically on uneven and/or change in elevation chicanes on freeway) , jerk back to center starts left to right death wobble. Feels like controlling a floating bull as the gauge cluster lights up like a Christmas tree.

-Long left hand freeway ramps if taken at speed starts ABS on left hand wheel. NO ISSUE when turning right at speed.

-When ABS engages. Light does not always go off unless intense ABS. When car is put in Trac Off, ABS still engages with Issue. No change in symptoms.

- Car shaky over 75 mph . Feels like tires are not balanced.

-Problem intensifies over uneven roads or large change in elevation

-Increased speed on even roads with less than ~10 degree steering wheel angle variation left or right , NO ISSUE

-Increased inside tire wear. Bald tires wander worse then full tread tires.

-(other)I know I probably need new bushings, front suspension sounds like bag of rocks when going over minor rough terrain at parking lot speeds.



(5) Work that has been done over 1 year period to try and fix: ( At first Service would not believe me and shrugged me off)

-Multiple Alignments by Dealer

-ABS Diagnostic by Dealer

-New steering rack assembly including inner an outer tie rods by Dealer (This hardened the steering and helped stop the pinball effect)

-Steering angle recall by Dealer

-Computer codes reset by dealer

-New Brakes by me (Helped reduce ABS intervention at lower speeds)

-New rotors by me

-Added Brake Fluid

-Wheel Balance

-New Tires (Current tires Micheline AS4, Previous Micheline AS3/+, will need 2 new tires soon from front end issue chewing them up)

-Reducing/increase tire pressure



(6) Documentation

https://sendvid.com/aal7x4p6

https://sendvid.com/weqiueyp

https://sendvid.com/burfjozh

https://sendvid.com/bxfv1083
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