Traction control comes on randomly on right turns

Tiny
TOOKIEN
  • MEMBER
  • 2007 SAAB 9-7X
  • 4.2L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 150,000 MILES
I changed:
- Rear axle bearings and seals
- Rear LSD differential fluid (used 75w-90 synthetic)
- Front right wheel hub assembly (with sensor)
- Rotors and brakes (compressed calipers and bleed out entire system of air)

When I make right turns at higher speeds, the traction control (stabiltrack) goes on randomly. No ABS warning light comes on, only the stabiltrak.

No noises at wheel bearings. No play at wheels. Everything is firm.

Could it be:

- Lack of rear LSD differential GM oil additive?
- Defective new front ABS sensor?
- Some air left in ABS module?
- Some other issue?

Thank you for any help!
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Saturday, December 22nd, 2018 AT 9:10 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,554 POSTS
Hello,

It sounds like you have a wheel bearing hub that is going out which will cause the sensor to stop working. Here is a video to show you how to scan the ABS to confirm the issue and how to replace the hub step by step and diagrams below to how you how to fix it in your car:

https://youtu.be/rTtAnsOlZU4

and

https://www.2carpros.com/articles/bearing-hub-replacement

Check out the diagrams (below). Please let us know what you find.

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Monday, December 24th, 2018 AT 1:22 PM

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