help plz might be off topic.
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help plz might be off topic. - 10/21/2007 5:53:47 PM
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slm0076
Posts: 10
Joined: 10/20/2007
Status: offline
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i have a 2001 blazer 4wd v6 4.3 97,000miles.
on the left front tire area i hear a poping noise when i drive on rough roads in town on good roads dont make any nosies. thx for helping..
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RE: help plz might be off topic. - 10/21/2007 6:09:42 PM
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slm0076
Posts: 10
Joined: 10/20/2007
Status: offline
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i was afraid of that. so do i have to loosen tbar to change them? or keep a floor jack under the a-arm work?
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RE: help plz might be off topic. - 10/21/2007 6:14:44 PM
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swartlkk
Posts: 15294
Joined: 5/1/2005
From: Waterloo, NY
Status: online
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Ah well, I just got your PM on this subject and suggested you post in the forums for a better response.
I too would think balljoints, tie-rod ends (although these usually exhibit more steering issues than noise issues), or a broken sway bar end link. The sway bar end link is pretty easy to diagnose as all you have to do is look underneith and see if it is still connected.
With the ball joints, well, the lowers can be checked by first raising the front of the vehicle and supporting it on either side with jack stands. Then take a 6+ foot long 2x4 on edge under the suspect tire. Lift and listen for a pop or clunk noise. If you hear it, the lower is bad. Next, remove the wheel on the suspected side and pry up on the upper control arm with a pry bar between the steering knuckle and the control arm. Again, if you hear a pop or clunk, the ball joint is bad.
And no need to do anything with the torsion bar to change them.
One other thing that I just thought of is the hood rattle TSB (technical service bulletin). GM has a TSB that suggests that some rattling/popping noises can be caused by the rear hinge of the hood rattling. The solution is a conical washer that gets installed on the hinge bolt to tighten up the joint. There should be a thread somewhere around here with the part numbers. Shouldn't cost more than $2 from the dealer for 2 of these washers.
< Message edited by swartlkk -- 10/21/2007 6:17:48 PM >
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My Restoration Projects
Please Do Not PM for Tech Help
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RE: help plz might be off topic. - 10/21/2007 8:41:46 PM
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slm0076
Posts: 10
Joined: 10/20/2007
Status: offline
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so all the pressure will be off the a-arms just by jacking it up?
< Message edited by slm0076 -- 10/21/2007 8:44:27 PM >
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