What do worn out springs exhibit? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 12-31-2006, 09:32 PM   #1
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Default What do worn out springs exhibit?

I travel this road extensively, and it is full of dips and bumps. Nothing awful, but it does upset the car much.

The car pretty much bobs up and down, jounces and rebounds at different rates. Kinda like your traditional old floaty buick feels like. Thing is, this car is not an old floaty boaty. Its on a revised platform that feels stiffer, modern, and better, you know the feeling. Another way to put it, the car is supposed to feel more snug, composed and what a top of the line sedan should feels like.

I imagine the springs are overdue for a replacement? They probably have supported that car right when it came out of the factory 16 years and 279000 kms ago. The struts were replaced nearly a year ago, and they were sensatracs, so i know they are good. However, I think the struts are working too hard against weak springs, and overall, it upsets the car. The car still rides well over small bumps, but the big and frequent ones upset the car a little. And I mean, it makes sense, the weight of the vehicle must be supported by strong springs, not the struts.

Any opinions here? I might go to a different spring, like a park ave spring or something like that.
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Old 12-31-2006, 09:58 PM   #2
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Check the ride height of the vehicle. Worn springs sag.
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Old 12-31-2006, 10:47 PM   #3
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Sounds more like worn out struts/shocks than springs. As Damemorder pointed out, the springs control ride hieght only (excluding aftermarket stuff) and the struts/shocks control ride quality.

edit: Sensatrack even suggests that the shocks/struts be checked every few thousand miles, something like 15-25 thousand? Not a very long life piece of equipment I guess?
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Old 12-31-2006, 10:51 PM   #4
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Definitely, mine did this and then replaced my struts and I can run her on dirt roads and she responds well and does not float or bounce excessively.
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Old 01-01-2007, 12:15 AM   #5
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Default Re: What do worn out springs exhibit?

Quote:
Originally Posted by Timothy'* Buick
The struts were replaced nearly a year ago, and they were sensatracs, so i know they are good. However, I think the struts are working too hard against weak springs, and overall, it upsets the car.
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Old 01-01-2007, 12:39 AM   #6
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Did you replace the struts with luxury ride or sport ride sensatracs? Because sensatracs, even if the springs are worn, are supposed to continue to respond to shock even when the vehicle is loaded at capacity which would BASICALLY be the same effect of sagging springs.
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Old 01-01-2007, 04:01 PM   #7
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The Struts not only control ride quality they also control the Spring rebound so that you don't get the bounce...

I have almost never seen a set of Monroe struts wear out early on an H body.... I would not compare Gabrielle in the same manner... But have heard a little bit of good on their newer struts... I may try them myself...

Tim, Being that you have a 91 H Body, you could go to a stiffer spring that will give you the proper ride heigth and most likely a bit of a firmer ride..

There are a couple of diffrent front springs you could use as well as a couple rear springs..

If memory serbes the rear springs on the 91 H body may be in the 820-830 Lb load rating.... where as the FE2 F41 spring will fall into the 1200 Lb area.... The FE2 F41 spring will sit 1/2" lower as well..

I like the ride of my 95 SE, But would like firmer so when I do the strut mounts the springs will be replaced with new ones FE2 Spec

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