Groan Sound

[bad_idea]

When backing out of the driveway. When the front axle hits the dip between the concrete drive and the asphalt street. The wheel is turned hard passenger. One out of 4 times (or so) there is a groan sound from the passenger front corner of the vehicle. Any ideas? I haven't crawled under it to nose around yet.

6.2L 4WD

 

[swathdiver]

Is 4x4 engaged when this happens?

 

[Fless]

Probably the lower fascia hitting the driveway as the wheels drop to the road, or larger than stock tires rubbing.

 

[OR VietVet]

How steep is the difference in surfaces when you do this and how fast are you going. I have a friend with a steep transition to his driveway and when I turn hard right, going in and out, that causes my lower fascia to rub just a bit, especially if I am going in and out aggressively. Or, you are flexing enough at the sway bar links and frame bushings to cause noise and you can address by replacement or lubrication.

 

[bad_idea]

4WD is not engaged. Backing out of the driveway sedately. Stock 22s on the truck. Stock height. To my knowledge (purchased used) the truck is 100% stock with 80k miles. The transition from the driveway to the road is not very steep at all.

I'll take a gander at the sway bar end links for wear and lube them with a dry lube.

 

[Fless]

Could have a loose fastener on a strut.

 

[B-train]

Agreed with the strut. Could also be a ball joint getting dry. I've also had an issue with splash guards catching tread with the wheel turned tight on my 2008 - ended up being a slightly askew lower fender where it mounts. Hammer fixed it.