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2001 GMC Sierra SL 2WD 4.8L Question about a noise i think in the rear

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chevroletgm Enthusiast

chevroletgm

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hey guys I need your help my 2001 Sierra I believe makes a noise in the rear of the truck drivers side , not all the time but it does sounds like a empty steel/metal trailer going over bumps on the road. is it the shocks or leaf springs? anyone else had this before? please let me know what it Is

chevroletgm Enthusiast

chevroletgm

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ok I will check that first I forget to say I Rust Proof / Oil Spray my truck every year so the truck is not rotted at all I live in Ontario, Canada if anyone can also chime in what I can also check let me know thanks guys ur the best!

arcasey Enthusiast

arcasey

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bump? any other input from anyone?

 

 

hey guys I need your help my 2001 Sierra I believe makes a noise in the rear of the truck drivers side , not all the time but it does sounds like a empty steel/metal trailer going over bumps on the road. is it the shocks or leaf springs? anyone else had this before? please let me know what it Is

 

By "empty steel/metal trailer going over bumps" do you mean sounds kind of like jingle bells hanging from the underside of your truck? Or is it closer to a steel ball bouncing inside of steel tubing?

 

If it sounds like jingle bells check the leaf spring retainer clips (the U-shaped metal backets use to keep the leaf springs from separating during operation) that are about half-way between the axle and body attachment points on either side. Not exactly sure on your particular model I am pretty certain there is a rubber bushing between the clip itself and the leaf spring that may be degrading and cause the clip to become loose and rattle. Try spraying some white lithium grease or any other thicker aerosol lubricants between those clips and the springs and see if that reduces the noise you are experiencing.

 

Had a noise that sounded like jingle bells on my 96 K1500 and it ended up being the retainers on the leaf springs.

chevroletgm Enthusiast

chevroletgm

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does anyone have a detailed diagram of my truck for the rear leaf springs rear area in general that way I can see if there are any rubbers missing? Thanks guys

arcasey Enthusiast

arcasey

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does anyone have a detailed diagram of my truck for the rear leaf springs rear area in general that way I can see if there are any rubbers missing? Thanks guys

 

I do not have a diagram but I can try to get you a picture of what I'm talking about later today. A good test is to ball up your fist and hit the leaf springs. If the retainers are loose you should hear a rattling sound. Or you can physically try to move them. If they are loose enough to cause the noise you are hearing you will know it. If they do not have any movement then chances are the noise is being caused by something else.

arcasey Enthusiast

arcasey

Posted
Posted
I have attached an image of a leaf spring. Although this leaf spring is not going to look exactly like yours it can give you a general idea. Also, I'm not sure how the image is going to look as I have yet to figure out how to post and resize the images on this site. If it does look okay, look at the clip/retainer that is being noted by the number 3 in the image. These are what I am talking about that may be causing your noise.
post-153532-0-20739800-1467030755_thumb.jpg

 

post-153532-0-20739800-1467030755_thumb.jpg

post-153532-0-20739800-1467030755_thumb.jpg

post-153532-0-20739800-1467030755_thumb.jpg

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