Mis seated spring effects? - Chevy Impala SS Forum
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post #1 of 17 (permalink) Old 04-11-2002, 12:21 PM
SixSpeedtobe
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What effect would an improperly seated front spring have on:

1. Ride?
2. Handling?
3. Noise?
4. Alignment?
5. Tire wear?
6. Tie rod wear?

Thanks
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post #2 of 17 (permalink) Old 04-11-2002, 02:09 PM
Terry McManmon
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Depends on how it is improperly seated - top, bottom or both and whether vehicle was aligned after the spring was removed and then installed improperly. That is assuming removal and reinstall caused the improper seating - I can’t imagine what else would cause it. If the vehicle was aligned after the work, the only issue would be ride height (higher or lower - again depending on how it is mis-installed) and maybe noise on suspension travel if improper seating is on the top.
Care to give us more information so that we can be more specific?
post #3 of 17 (permalink) Old 04-11-2002, 02:26 PM
SixSpeedtobe
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Okay!

OEM springs were removed and replaced with ST's. Top of right front spring was displaced forward. Top coil was in the center of the spring seat. Several tabs were bent. Bottom was properly seated. Car was aligned SEVERAL times after springs were installed. All front end parts were replaced. (Tie rods, center link, idler arm) Car was aligned again. Prior to the rebuild, I was getting severe inner tire wear. (285/40's) Some is to be expected but it was BAD. Tire wear is much better now. Steering wheel is not centered and car pulls to the right. There is some noise in the suspension.

Since the car is up on the stands for the T56 repair, I have removed the spring, repaired the tabs and correctly reset the spring. I will not be able to drive the car for another week or so. I was wondering, and I guess I should have asked this straight out, could the mis seated spring have caused some of my alignment or tire wear problems? Should I have it aligned again now that the spring is in place? Also, about the alignment problems, when the tech's work on the car, they are unable to center the steering due to the fact that the right side tie rods bottom out on each other. (I know, thats another subject!)

Does that help?

TIA
 
post #4 of 17 (permalink) Old 04-11-2002, 04:06 PM
AutocroSSer
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<BLOCKQUOTE>quote:</font><HR>. I was wondering, and I guess I should have asked this straight out, could the mis seated spring have caused some of my alignment or tire wear problems?<HR></BLOCKQUOTE>

Not only "could", but probably has been!

<BLOCKQUOTE>quote:</font><HR>Should I have it aligned again now that the spring is in place?<HR></BLOCKQUOTE>

yes

<BLOCKQUOTE>quote:</font><HR>Also, about the alignment problems, when the tech's work on the car, they are unable to center the steering due to the fact that the right side tie rods bottom out on each other<HR></BLOCKQUOTE>

Yes, and I'll bet the spring being right will "fix" this.
post #5 of 17 (permalink) Old 04-11-2002, 06:04 PM
SixSpeedtobe
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As usual, YOU ARE DA MAN!!!!!

Seriously, Thanks again for the info. I should have known you would have the answers.
post #6 of 17 (permalink) Old 04-11-2002, 06:25 PM
Navy Lifer
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Considering the problem you describe with the tie rod adjustment, it sounds to me like you have a bent pitman arm or a bent steering arm on the right side (part of the knuckle).

The gap between the inner & outer tie rods (or you can measure the overall length of the left & right tie rod assemblies), from tapered stud to tapered stud, should be very close to the same when the car is properly aligned. If they are not, the knuckles aren't symmetrical, or the pitman arm is bent.
post #7 of 17 (permalink) Old 04-11-2002, 06:39 PM
SixSpeedtobe
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I'll measure tomorrow. Thanks for the info. The pitman arm is the one on the steering box right?
post #8 of 17 (permalink) Old 04-11-2002, 08:33 PM
Terry McManmon
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Yes pitman arm is the one on the steering box. The one on the passenger side is the idler arm.
I almost had the same problem when I put the GW springs on the front, but an alert student noticed the passenger side spring off center when we were installing the SW rears. A good example of more eyes are better. Front springs are hard to get properly installed.
post #9 of 17 (permalink) Old 04-12-2002, 08:29 AM
SixSpeedtobe
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Okay, I measured the total lenght of the tie rods, tapered stud to tapered stud. Passangers side was 17 1/8 inches and the drivers side was 19 1/4 inches. Front suspension is off the ground and hanging. Wheels are as straight forward as I can get them. I did notice that the outer tie rod on the passangers side has a bend in it where the drivers side does not. Is this normal? I don't have the old ones to compare the two. I do kinda recall that they were different when I installed them. How do the measurements sound? Does it sound like the pitman arm is bent. Maybe the steering box is damaged? Any other suggestion?

TIA
post #10 of 17 (permalink) Old 04-12-2002, 02:16 PM
Terry McManmon
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Sounds way too far off, and surely could account for the abnormal wear on the tire.
Both outer tie rod ends are interchangeable with each other, as are both inners with each other. One part number for inners and another for outers. My outers, both the originals and the Moog, have a slight bend in them.
Inners have grease fitting facing the center of the car - outers have the grease fitting facing the ground.
Did you change the center link? It may be possible to get that in reversed end to end. The inner tie rod ends mount to the rear of the center link.
Maybe the parts you got were boxed wrong.
You are not that far away. Message me and I can bring my car over and we can compare them side-by-side. This weekend will not be the easiest, but I am sure we can work something out to help solve your problem.
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