Replacing Coil Springs
posted here is gathered from the internet and credit goes to those
Not that difficult to use a spring compressor to reinstall or remove springs with no weight in the car. You just need to use the top mount, bushing and nut through the upper shock mount hole (the one you turn to compress it) and the hooks through the bottom of the spring. As you turn it will pull the spring up into the pocket and hold it there. Then move the lower arm into place and you are there.
You just have to pull off the top set of hooks on the spring compressor. So hooks on bottom only, upper part through the shock mount hole. That side wont move so your pulling the spring up and compressing from the bottom which will allow you to get the lower arm on.
This is beside the video, more for the how to reinstall with no weight / engine in the car. I always see the posts that you need people to stand on the crossmember or lots of weight. Pretty simple with just the compressor.
Remove the sliding set of hooks. Drop the threaded rod down the shock opening.
Also note the threaded hooks are of differing length.. this accounts for the staggered heights of the coil where the hook grabs it.
must insert the hooks from the opening in the lower control arm, sideways, up
into the coil. Then orient the hooks, and lift the center portion to mate with
the threaded rod.
You should orient the hooks approximately 90 degrees to the long axis of the car. Also, move the threaded hooks UP about 1/2 way on the threaded rod.
You see, as I was
trying to unload the spring, I ran out of threaded rod and had to loosen everything
up, relocate the hooks, and try again. Yippee!! ...NOT
1. Jack up the side your going to work on higher than is necessary to remove the wheel and place a jack stand under the frame.
2. Remove the jack and remove the wheel.
3. place the floor jack under the lower control arm, closer to/under the ball joint is always better. you may want to remove the zerk fitting first to prevent it breaking off. Also, if total disassembly is your goal now is a good time to remove the anti-sway bar end links...sometimes it helps even if you are not doing a total dismantle as they can bind.
4. loop a chain through the front axle of the floor jack and then up and over the frame as close to or through the A-arm cross shaft as possible. Some experimentation with angle and positions will be necessary. use a nut, bolt and washers to fasten to ends of the chain together. If the frame is "ugly" then don't worry about protecting it from the chain. If your frame is "pretty" then cut an old bicycle inner tube in half to make a sleeve for the chain...work it over the chain. I did the inner tube thing eight years ago and haven't had to redo it since. The chain is mostly for safety on the removal but essential for install.
5. Raise up the jack to begin compressing the suspension stop before you lift the car fromthe jack stand. Now is a good time to remove the tie rod end it you are going that far or if it will be in the way.
6. loosen but do not remove the nuts on the upper and lower ball joints. leave them both threaded on the studs about 1/2 to 2/3 their depth (or a full if your cautious).
7. I like to start with the lower ball joint and use a pickle fork to break the spindle loose from the ball joint. It will pop under the pressure of the spring but be stopped from fully unloading by the nut. This also releaves pressure form the spring. now you can back the jack off some to unload more of the pressure. Next use the fork to pop the spindle loose from the upper ball joint.
8. Now you can back off the jack some more and begin removing the lower ball joint stud nuts. Most of the stored energy in the spring is gone as it is no longer at full compression. When the nut comes off there will be a little jump. If you left he upper ball joint nut on then the spindle will be hanging there waiting for you to remove it (if you did it the other way then you will find that gravity works an the spindle assembly will want to fall on you, your jack or the floor depending on the situation).
9. You shoudl be
able to lowe the jack the rest of the way after removing the chain. If you set
it up right you may be able to do so with out removing the chain. If you are just
swapping springs or spindles then don't unhook...just pop the new parts in and
reverse the process. The chain keeps the frame from moving away from you as the
spring starts to compress.