2007 Trailblazer suspension noise. I can't find it! - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 Brakes, Suspension, Wheels and Tires > Suspension

Suspension Suspension

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  #1  
Old 10-07-2017, 09:43 AM
camaroman79 camaroman79 is offline
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2007 Trailblazer suspension noise. I can't find it!

So I have been chasing noises on my trailblazer front end since I got it 5 years ago. I have replaced the ball joints twice within 2 years. End links and end link bushings. Both wheel hubs are new. Tires are brand new. Struts have been replaced twice as well. the upper and lower control arm bushings seem fine. All was well for a few months and now i'm getting a rattle or suspension noise on the left front when i go over uneven road or decent pot holes. It sounds like something is flopping around loosely. I have rechecked all the parts I have replaced a few months ago and It all looks tight. There is slight movement in the tire when lifted and moved in the 9 and 3 position. There is slight in and out movement on the bellows covering the inner tie rod but I don't hear any clunking. It may just be pushing back into the rack slightly who knows. For all I know I may have a junk strut again.. So frustrating putting all this time work and money into parts only to chase more noises a few months later. Its been a constant battle since I bought this truck. Its in great Shape but the design on the front end is horrible. I must have changed the end links like 5 times since I bought it and used good parts. Any ideas?
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  #2  
Old 10-15-2017, 06:06 PM
camaroman79 camaroman79 is offline
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I cant believe no one else has had this problem. Could it be lower strut yolk bushing on the lower controls arm? It didn't seem to bad and no clunking when I checked it out. That is the only things left besides the control arm bushings but they seem reasonably fine as well. The spring board noise is driving me nuts over bumps and its only on the left front tire...
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  #3  
Old 10-16-2017, 07:07 AM
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arley hall arley hall is offline
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have you checked the sway bar bushings and end links just replaced mine and everything is good now
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Old 10-16-2017, 07:22 AM
camaroman79 camaroman79 is offline
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Yes I did, as stated in the start of this thread. Everything is all brand new and solid except control arms and bushings. But they seem solid as well. I hate part changing to find hard to find noise issues. This noise is so loud in the cab it would be expected to find where this is coming from fairly easy. I'm almost at the point of putting a sound recorder or camera under the vehicle and watching or listening to the suspension under the conditions that recreates this banging noise. The truck rides like great with all the new suspension parts but sounds like a junker in the front when hitting bumps. I don't get it. I would like to try changing the lower strut yoke mount bushing to the lower control arm but it is not a serviceable part as far as I have researched. That would be my next suspect.
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  #5  
Old 10-16-2017, 11:31 AM
Jewel red 5 Jewel red 5 is offline
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Had a similar problem tighten the **** out of the end links thats where mine came from was a clunking noise only on pot holes or decent size bumps hope it helps.
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Old 10-16-2017, 01:37 PM
camaroman79 camaroman79 is offline
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Yea. I as well tightened the crap out of the bolts and rechecked them several times. I wish it would have been that simple.
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Old 10-16-2017, 07:42 PM
tricky1 tricky1 is offline
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I had a clunking sound after 2 weeks of having a shop do some work on it and found out he didn't tighten the end links enough, ill never use that shop again
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  #8  
Old 10-16-2017, 08:32 PM
camaroman79 camaroman79 is offline
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One thing I did do the other day to see if it would help was I took out the after market Gabriel struts I had in and replaced them with ACdelco. It seems that corrected a lot of stability issues I had but the noise is still there, just not as evident as before. The Gabriel struts are too soft of a ride and was a nightmare as they had been replaced twice due to internal jingling sounds like rattling washers on a steel rod. Never again will I use that brand. I think once I get some extra money and motivation, I will attempt to replace the lower control arm and see how that works out.
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  #9  
Old 09-12-2018, 08:51 AM
camaroman79 camaroman79 is offline
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Update.
Still rattles after replacing struts, ball joints, end links, sway bar bushings, upper and lower control arm bushings, and secured any loose bumper and body parts. The dam left strut still seems like its rattling over good sizes bumps. It starts off as an oscillating sound like the strut is loose or something but everything is new and tight. So frustrating.
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Old 09-17-2018, 03:33 PM
Gptb008 Gptb008 is offline
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My wife ran the impala into a gigantor boulder hole , nearly took the wheel off,... after replacing manny parts I finally changed out the lower control arm , that did the trick it was out by a millimeter or two and would make the car sound like it was heehawwwing over a rusty strut , but no a bent lower control arm...goood luck
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