preloading springs before tightening?

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Old May 6, 2008 | 06:55 PM
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preloading springs before tightening?

He guys, so i had my springs installed and they look great. I was looking at eibachs website and i noticed it says you must preload the springs before tightening the bolts. They said if you tighten the bolts when the car is in the air you may have issues with ride height and wearing out the bushings prematurely. So the guys who did mine tightened them in the air on the lift and now im nervous about it. I dont know much about this stuff so any experts please chime in.
 
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Old May 6, 2008 | 07:05 PM
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Yes, this becomes an issue on area's like the rear spring buckets where the bushings can be twisted. You can just loosen them while its on the ground, and tighten it
 
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Old May 6, 2008 | 07:29 PM
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Is this the case for all spring installs?
 
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Old May 6, 2008 | 07:43 PM
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Yea i know but the problem is i cant get to the bolts without jacking up the car? LOL Do you guys think i should go back to the shop that put them in or is that being to ****?
 
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Old May 6, 2008 | 07:54 PM
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Yes you can get to them without jacking up the car
 
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Old May 6, 2008 | 08:08 PM
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how? I tried to even see them and i couldn't. Im dropped on sportlines so there is not much room. Im thinking it would be easy to do on a alignment rack. I wonder if when i get my alignment i can give the guy a few bucks to do it?
 
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Old May 6, 2008 | 08:32 PM
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lol... use your hydraulic to compress your suspension while it's in the air.

becareful not to over compress and lift it off the jackstands. goodluck.
 
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Old May 6, 2008 | 09:18 PM
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G35 Coupe
Originally Posted by kenchan
lol... use your hydraulic to compress your suspension while it's in the air.

becareful not to over compress and lift it off the jackstands. goodluck.
i remember doing that when changing out my springs
 
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Old May 6, 2008 | 11:20 PM
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Originally Posted by kenchan
lol... use your hydraulic to compress your suspension while it's in the air.

becareful not to over compress and lift it off the jackstands. goodluck.
Yep...jus raise the lower arm i believe. I did this to change the endlinks and to change out compression rod.
 
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Old May 7, 2008 | 07:47 AM
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so how much do i have to loosen the bolts in order for it to readjust properly? Do i loosen them completely or just untighten slightly?
 
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