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Rattling noise on 2007 Pontiac G5

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for one it is a 2006 pontaic pursuit G5, I haeva rattle in my front when traveling over bumps or gravel road, it a under my steering wheel, I was wondering if this is my steering column
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The steering shaft rattles. This is a common GM problem since 1999 affecting across platforms and trucks. Gm has several repair bulletins (replace upper shaft, lube shaft, replace lower shaft, etc.)but none of them work. You have to keep bringing it in.

Mine spent 7 days at dealer and all the GM methods to repair rattle knock were tried.

Only one that works short term is to completely fill shaft with HiTemp disk brake bearing grease. Reports are that this works for 10 to 15k miles and then has tobe redone.

Hard to believe GM has had this problem since 99 and can't find a solution
If it's a rattle going over bumps it is more than likely the lower control arm bushings. This chassis is known for this problem and they usually have to be replaced every 3,000 miles. Although last time I had mine replaced I only got 500 miles out of them. The design on the chassis is flawed and it really needs a recall. Chevy Cobalts are same chassis design with same problem.
There is a technical service bulletin from GM that helps to address noises from the steering. This bulletin provides information on seven different steering/front suspension noise conditions.
Here is a description of one of the symptoms:
"Some customers may comment on a rattle or knocking noise that is heard in the front of the vehicle while driving at low speeds 8-24 km/h (5-15 mph). This condition may be more noticeable while making a slow turn or on a loose/rough surface"
I would have a shop inspect the vehicle and look at this bulletin for reference.