Car Handling Issues at High Speeds: Rear-End Swerves and Knocking Sound – Seeking Advice!

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ioniamichael

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Feb 20, 2022
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Problem #1:
At speeds above 70 km/h, when I press the gas pedal, the rear of the car veers to the right, and when I release the gas pedal, it shifts to the left.

Problem #2:
When I'm rolling slowly in traffic, in first gear, at speeds around 5-15 km/h, I press the gas pedal, and there's a knock. It's hard to pinpoint where the knock is coming from; sometimes it feels like it's under my left foot, and sometimes from the middle of the car.

I've replaced the right and left engine mounts, as well as the transmission mount (the long one attached to the bridge under the transfer case with four bolts in a row). I also replaced the bushing for the front axle near the left wheel.

The car is a 2006 model with a 3.7 engine. Any ideas on what could be causing this and where to look? Driving at high speeds and accelerating is really scary right now.

By the way, when I press the brake, the car doesn’t veer at all.
If I press the gas pedal smoothly at low speeds, there’s no knocking sound.

I suspect both problems might be related.
 

Gyro

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Sep 12, 2012
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Likely the rear lower control arms bushings.
Call your local Jeep dealer with your VIN# and see if the recall on the lower control arms has been done.
Could be a free repair/solution.

Gyro
 
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