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post #1 of 12 (permalink) Old 03-07-2014, 01:15 PM Thread Starter
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I have read the bulletin 04-03-08-006F.

have replaced LCA, Struts and sway bar end links. had alignment performed, and then noticed low speed, rough surface, turn chatter. ( likely was masked before by the shot LCA rear bushings) also alignment included reset of the steering angle, so that it is where it is supposed to be. (steering wheel center aligned with wheels straight)

So does the logic state that if I can reproduce at will, and the vibration/noise still happens with the 60 amp fuse removed, the intermediate shaft should be replaced, and if the fuse out results in no noise, the upper shaft has to be replaced?

looks like the intermediate shaft can be had for under $100, but I cannot see anyplace with the upper assy, which has the motor and the gears. where would this beast come from?

Thanks.

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post #2 of 12 (permalink) Old 03-07-2014, 08:03 PM
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I replaced the lower shaft because of slow speed, rough surface, rattling that sounded like marbles and did not fix my issue :(

This is what mine sounds like.
might watch that vid.

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post #3 of 12 (permalink) Old 03-08-2014, 03:19 AM Thread Starter
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I saw that video too, and it is pretty close to what I noticed.

did you pull the fuse and verify that you can hear the rattle with the fuse pulled? (60 A power steering fuse)

or that you cannot hear the rattle with the fuse pulled?

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post #4 of 12 (permalink) Old 03-08-2014, 09:40 PM
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I have what you describe and have assumed it's the intermediate shaft since GM cars are known for that but have never investigated it.
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post #5 of 12 (permalink) Old 03-09-2014, 04:31 AM Thread Starter
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I have what you describe and have assumed it's the intermediate shaft since GM cars are known for that but have never investigated it.
So how long have you driven with it acting this way? if it is not dangerous, I may just let it go.

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post #6 of 12 (permalink) Old 03-09-2014, 06:26 AM
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I have not pulled the fuse yet to check,
mine has made this noise for years now.

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post #7 of 12 (permalink) Old 03-09-2014, 07:32 PM
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It started out very slight a couple years ago and has progressed to a louder rattle very slowly. I can only hear it on a rough road.
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post #8 of 12 (permalink) Old 03-10-2014, 04:24 PM Thread Starter
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my DIL ought to be able to deal with it.

(driving to work and back) compared to how much it clunked from bent wheels and shot bushings, it drives like a breeze now.

I was lucky to take it on a slow ride through a closed mcdonalds with shot blacktop and induced the rattle. other than that, just a tap here and there.

thanks for all the feedback.

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post #9 of 12 (permalink) Old 04-08-2014, 01:03 PM
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Quote:
Originally Posted by Cherry GT View Post
I replaced the lower shaft because of slow speed, rough surface, rattling that sounded like marbles and did not fix my issue :(

This is what mine sounds like.
might watch that vid.
STEERING NOISE ON 06 COBALT - YouTube
IN THIS VIDEO, what is the name of the part that he's replacing?
And what is the TSB#?


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post #10 of 12 (permalink) Old 04-08-2014, 01:51 PM
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They replaced the steering column in the vid.... the old one is what is in the video, trying to find out the cause of the noise.

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