At forty mph the front end starts to shake

Tiny
BRIAN TULLY
  • MEMBER
  • 2005 CHEVROLET EQUINOX
  • 3.4L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 170,000 MILES
Randomly when driving around forty mph the front end starts to shake and car acts like it is hesitating. You can sometimes accelerate out of it and it does not come back. Occasionally the traction control and ABS lights will come on but not always. Replaced brake lines and calipers and new master cylinder recently due to front passenger side caliper locking up. Also new plugs and wires in the last month.
Wednesday, September 5th, 2018 AT 9:35 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Hello Brian,

It sounds like the ABS is having an issue like one of the wheel speed sensors is going out. Here is a video that shows how to get the ABS codes for the system so you can see which sensor it is. Sometimes the wheel hub can go out causing the wheel sensor not to work correctly as well.

https://youtu.be/rTtAnsOlZU4

if you do not have a scanner this guide can show you how to test the senors using a volt meter.

https://www.2carpros.com/articles/abs-wheel-speed-sensor-test

Please run down these guides and report back.

Cheers, Ken
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Thursday, September 6th, 2018 AT 11:16 AM
Tiny
BRIAN TULLY
  • MEMBER
  • 2 POSTS
I replaced the brake line and pads as it appeared to have a blockage that was causing the caliper to stay engaged. It appears this has been the solution as ithe problem has stopped upon this replacement.
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Sunday, September 9th, 2018 AT 10:36 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Glad you could get it fixed, that kind of problem can be tough. Please use 2CarPros anytime we are here to help.

Cheers, Ken
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Sunday, September 9th, 2018 AT 12:32 PM

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