All four springs are done with an internal spring compressor - a STRONG compressor. Remove the front shocks while supporting the lower control arm, then slowly lower the control arm, insert the compressor, then take up the slack in the compressor while jacking the control arm back up. Once the arm is up as far as it will go, finish the compression of the spring with the compressing tool. Lower the arm, take out the spring. Piece of cake.

Pull the rear strut out of the rear spring, compress it, remove it.

TREAT THE COMPRESSED SPRING LIKE A LOADED GUN - NEVER, NEVER, NEVER POINT THE END OF THE COMPRESSED SPRING AT ANYTHING IMPORTANT (like a body part).

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There is a very fine line between "hobby" and "mental illness."
FrankenBenz: '87 560SEC with an '02 cammed LS6 and custom 4L60E.
Bling: '87 560SEC, ported/polished, lowered
Lisa: '87 560SEL, lowered