The rear end rocks back and forth

Tiny
MARCUMMATTHEW66
  • MEMBER
  • 2007 FORD EDGE
  • 3.5L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 333,000 MILES
The rear end keep swinging side to side every time I hit a bump. I can't figure out what it is.
Thursday, August 26th, 2021 AT 6:09 PM

5 Replies

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

You might have an issue with the sway bar or the sway bar link.
Check the rear suspension and inspect the sway bar link. Those links has a tendency to fail. They can either brake or have a worn bushing. When they fail you will have excessive roll on turns or over bumps.

https://youtu.be/OMUFSut2ERA

I have attached diagrams for your reference.

Let me know what you find.
Thank you.
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Thursday, August 26th, 2021 AT 8:23 PM
Tiny
MARCUMMATTHEW66
  • MEMBER
  • 13 POSTS
I've changed both links.
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Saturday, August 28th, 2021 AT 10:10 PM
Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
How did the sway bar look? Did the mount and bushings of the sway bar looked in good shape?
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Saturday, August 28th, 2021 AT 10:18 PM
Tiny
MARCUMMATTHEW66
  • MEMBER
  • 13 POSTS
Yeah.
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Saturday, August 28th, 2021 AT 10:28 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

I noticed it has been a few days since someone has contacted you. Has any progress been made? I'm interested in knowing.

Also, you indicated the sway bar bushings and links are in good condition. Have you checked the control arm bushings and tracking bar bushings?

I attached an exploded view of the rear suspension below. I highlighted several bushings that can cause excessive play. Take a pry bar and see if there is movement in the highlighted bushings. Also, worn shocks can cause the rear to feel like it's doing this as well if they are bad enough. Bounce the rear of the vehicle and see how long it takes for it to stop bouncing.

Let me know what you find or if it has already been fixed.

Take care,

Joe
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Wednesday, September 1st, 2021 AT 8:21 PM

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