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98 expy... no front coils????

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Old Jul 25, 2005 | 06:41 PM
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trent_k_99's Avatar
trent_k_99
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From: lima usa
98 expy... no front coils????

i got to lookin at my expy/s front suspension . and i got to wondering .... WTF holds it up if theres no coil springs. are they special shocks that have coils in them ???????????????
 
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Old Jul 25, 2005 | 07:23 PM
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Torsion bars. Take a look at lower A arm and follow the long bar off trailing edge of A arm. Been around 20 plus years.

Dave
 

Last edited by Monsta; Jul 26, 2005 at 02:05 AM.
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Old Jul 25, 2005 | 08:26 PM
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still dont tell me how it holds the front end up. man where have i been for the last 20 years..... im just used to all the simple coil and leaf springs man ..... thanks in advance for explainin it to me
 
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Old Jul 26, 2005 | 01:02 AM
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quick35th
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Originally Posted by trent_k_99
i got to lookin at my expy/s front suspension . and i got to wondering .... WTF holds it up if theres no coil springs. are they special shocks that have coils in them ???????????????
I was wandering the very same thing when I was under my Expedition the other day changing the oil.

Shane
 
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Old Jul 26, 2005 | 02:09 AM
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Originally Posted by trent_k_99
still dont tell me how it holds the front end up.
Torsion bar suspension uses the flexibility of a steel bar or tube, twisting lengthwise to provide spring action. Instead of the flexing action of a leaf spring, or the compressing-and-extending action of a coil spring, the torsion bar twists to exert resistance against up-and-down movement.

Two rods of spring steel are used in this type of suspension. One end of the bar is fixed solidly to a part of the frame behind the wheel; the other is attached to the lower control arm. As the arm rises and falls with wheel movement, the bar twists and absorbs more of the road shocks before they can reach the body of the car. The bar untwists when the pressure is released, just like a spring rebounding after being compressed.

Adjusting the torsion bars controls the height of the front end of the vehicle. The adjusting bolts are located at the torsion bar anchors in the front crossmember. The inner ends of the lower control arms are bolted to the crossmember and pivot through a bushing.

courtesy to innerauto.com for the cut-n-paste job. I just didn't feel like using my own words.
 
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Old Jul 26, 2005 | 12:31 PM
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thank man. so i can raise the front of it up a little. so are the adjusting bolts are in the crossmember clear at the front of the vehicle??? and do they just turn like a normal bolt. (righty tighty- vehicle goes up) or is it the other way around
 
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