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Okay, I serached "coil" on it and did not find my answer. I have a shop (MAS WheelHouse) installed my coilovers and they said they dropped it by 1.75 on all four. But the back looks more dropped than the front. And I think there is only a half inch gap. And I'm scared if there is fat people in my car, my car wouldn't move or it will scrap on the ground is that possible? Anyway... My main question is... <font color=white style="background-color: 3E3E3E;">How do you adjust installed coilovers?</font ft> I hope you guys will have tyme on helping me. Well, thanks for your help.! Gladly appreciated.

 
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Also after they installed it I heard a soft rattling noise and it's coming from the rear. I haven't noticed it until now. Do you think it's from the coilovers?

 
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I don't have coilovers but I thought they all came with a tool that you used to tighten or loosen the coils therefore making it higher or lower.

 
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Thanks fer the info, but I checked the coilovers before they installed it and didn't come with tools nor instructions. [IMG]i/expressions/face-icon-small-confused.gif[/IMG]

EDIT:
Typo

 
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Depends on how your particular coil overs are adjusted but, its easy either way.

1. Jack up the desired corner of the car you want to adjust, fronts can be adjusted w/o removing the wheel, rears have to have the wheel removed.

2. The new spring will be sitting on a perch. The perch is like a big nut that rides up and down the threads of the sleeve. Some coilovers use two perches, that tighten against each other to lock them in place, these type of coil overs come with a special wrench that is used to turn(adjust) the perches. You have to move the top perch up a little, first, so that they can both be moved up or down as desired, then tighten both perches againts each other before jacking the car down.

Others use a hex screw that tightens the perch to itself. You may have to twist the entire threaded sleeve to see the screw, it will be screwed in on a tangent to the sleeve itself, the screw does not tighten against the threads of the sleeve. You have to loosen the hex screw, to be able to adjust(turn) the perch. After adjusting it, retighten the hex screw, then you can jack down the car.

3. Adjust both(or all four) perches to the same height, use a tape measure, or a small spacer, to make sure you have adjusted the perches to the same height on the sleeve. Then lower the car, and drive it around for a while, and check and see if thats the ride height you want or not.

Here's a pic of one of Ground Controls kits, you can see the hex screw on the left side of the gold perch on the bottom of the spring.


Here's a pic of the double perch kind of coil over.

 
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That's a great help! Just finish adjusting the car. Now it's all even. I didn't have to remove the rear wheels just put my hand at the back and twist it. Thanks again!