Rear sway when i stop excelerating

[musky]

i got a 2004 libr=erty and when i hit the gas it drives fine,once i let off the gas i feel the rear of the liberty sway a bit to the right ,the tires and rims are new.this only happends when i stop excelerating and take my foot off the gas.

 

[LibertyTC]

Yes the rear diff is shifting a bit (not good) and this is caused by the rear lower control arms.
There was a recall for them by dealership, free replacement if they have not been replaced yet.
Type you VIN number in here to see the current status: https://www.mopar.com/en-ca/my-vehicle/recalls/search.html

 

[musky]

i guess they have been replaced but,i guess i have to pay this time.

 

[LibertyTC]

Be interested to know if you could look at the new arms, to see if they have a slot or a cut away, on the axle side rubber bushings of the new rear LCA's.
If they do have the slot/cut a way...do what I did, fill the slot in with a marine polyurethane, or windshield urethane and the problem wont come back.
Let cure for 3 days then install.
It worked for me, on my 04, but I used the OEM LCA, with Spicer bushings and had them pressed in with a 4x4 shop that had a 25 ton press.
They had to torch/ burn off the old ones, before pressing old ones out.

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[LibertyTC]

I would also recommend that the upper rear boomerang & ball joint be inspected for movement and wear as well.

 

[tommudd]

If it sways when on the gas then off the gas yes its the rear lower control arms