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2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

Creaking when turning

Old November 20th, 2010, 1:00 PM
  #21  
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Many people put way too much value in the capabilties of what a factory "offroad package" is capabale of.
You have the "Z71" package.
What does that include?
Slightly stiffer springs?
Slightly better shocks?
Slightly better sway bar? (which are detrimental for offroading).
Slightly better air cleaner?
Slightly more agressive and bigger tires?
Slightly better axle ratios?
A limited slip type diff in the back?
Some skid plates added?
Maybe a different rad or an oil cooler added?
And a "Z71" badge or decal?

Most likely has the same suspension travel as a base model.
Which might have about 3 inches of upward suspension travel when at rest.

The automakers definition of offroad is to drive down a two-track road at no more than 30 miles per hour. In the daylight, sun shining, on Sunday.

Yes, you cant always predict what you will run into or over while offroad, but still those encounters can break stuff.
No matter what factory stuff is on the truck.

Just sayin, the airborne incident may have over compressed the suspension and thus something is going to break or bend.

Checkout the rubber travel stop bumbers and make sure they have not been squished so hard they are split or broken off.
Old November 20th, 2010, 1:05 PM
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Originally Posted by ldr
I tried it several times and I verified it with the mechanic. Only while turning left or right and upon compression of the shocks they would make a creaking sound.
This seems odd if it was making the noise only while turning slow because the shocks would not be turning or compressing.

On an older suspension setup anyways.
Maybe on a newer model the shock turns when the spindle turns, like a strut type shock suspension?
Old November 20th, 2010, 11:41 PM
  #23  
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Well I wouldnt know. Problem is solved now anyway. Not sure what caused it.
Old November 21st, 2010, 12:01 AM
  #24  
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Originally Posted by ldr
Then why do I own the Z71 package if it doesn't change the way how to use the car? I am not saying that it should withstand this kind of treatment but i mean to say that buying an off road package should indeed make the car suitable for off road. And if you ever went off road you will agree with me that we cannot always avoid some questionable scenarios.
Off-road does not mean you enter the Baja race w/ it or go rock crawling.

Last edited by 73shark; November 21st, 2010 at 12:05 AM.
Old November 24th, 2010, 2:26 AM
  #25  
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Someone from the group actually took a picture from my "jump". Considering that the sand is soft I dont think this would cause an issue in both shock absorbers...
Attached Thumbnails Creaking when turning-19.jpg  
Old November 24th, 2010, 5:48 AM
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I would think that this truck should handle that "so called off roading" w/o any issue at all based on your photo.

Nice truck by the way.
My 08 Sub w/ 44k on the odo has creaking noises from the front as well, and my dealer told me its normal. I drive on the beach often and have bounced a few times similar to what you've done.
Probably going to change out the OEM shocks to Bilsteins to see if that makes a difference.
Old November 25th, 2010, 6:52 AM
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did you spray the front suspension down with silicone sealant to keep that sand out of those joints.
Old November 25th, 2010, 6:59 AM
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Never thought of the need to spray down the front suspension. Never had to do a thing to the Jeeps I've had and they ran thru the sand like water.
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