Where is the rear vehicle speed sensor located?

Tiny
HILL JILLY
  • MEMBER
  • 2004 CHEVROLET TRAILBLAZER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 140,000 MILES
Need to replace the rear VSS. Where would I locate it and how would you rate the difficulty of going about it?
Monday, June 3rd, 2024 AT 7:41 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

I'm not familiar with a rear vehicle speed sensor (VSS). There is one at the rear of the transmission tail housing. See pic below. If that is what you are looking for, it will take about 20 minutes to replace.

Is that what you are looking for? On most of these vehicles, the VSS on the tail housing of the transmission is what is used as a wheel speed sensor. That is how the ABS/traction control is signaled.

Let me know.

Joe

See pic below.
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Monday, June 3rd, 2024 AT 8:16 PM
Tiny
HILL JILLY
  • MEMBER
  • 2 POSTS
Thank you so much.
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Tuesday, June 4th, 2024 AT 8:02 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

You are very welcome. If you have a chance, let me know how things work out for you.

Take care and feel free to come back anytime in the future.

Joe
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Tuesday, June 4th, 2024 AT 7:32 PM

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