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Left front speed sensor

Tiny
AMAC524
  • MEMBER
  • 2006 HUMMER H3
  • 100,000 MILES
The check engine light came on my 2006 H3. I took it to Advanced Auto Parts to have them plug into the trucks computer. They stated the code was for the left front speed sensor. Where is this located at to fix myself and is it an easy fix. The part is only $30 which I can afford doing it myself rather rather than paying the dealers labor cost.
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Friday, November 8th, 2013 AT 9:49 AM

5 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Its behind the wheel it should unbolt and unplug. Just because there is a code doesn't mean its for sure a bad sensor.
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Friday, November 8th, 2013 AT 11:07 AM
Tiny
AMAC524
  • MEMBER
  • 3 POSTS
Thank you very much. If the speedometer still works does that mean it is fine? Or does the code mean something else? Is there a way to tell?
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Friday, November 8th, 2013 AT 11:21 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
They usually use the output speed sensor on the transmission for the speedometer but I was thinking the sensor goes out because the bearing hub can go out here is a guide and video that shows how to replace the bearing hub.

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

and

https://youtu.be/ZgiPRG6jffc

Check out the diagrams (Below)

Please let us know if you need anything else to get the problem fixed.

Cheers
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Friday, November 8th, 2013 AT 12:05 PM
Tiny
AMAC524
  • MEMBER
  • 3 POSTS
You where right the bearing was shot I got a new one on Amazon for $156.00 and changed it by watching the video. Thanks, I love this site.
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Friday, November 8th, 2013 AT 12:11 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Your welcome. Use 2CarPros anytime, we are here to help. Please tell a friend.

Cheers
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Friday, November 8th, 2013 AT 12:33 PM

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