At forty mph the front end starts to shake

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.

3 Replies

KEN L

MASTER CERTIFIED MECHANIC
47,513 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

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

KEN L