The fronts are not nearly as easy to install as the rear ones. You jack the car up by the frame, support the lower control arm with another floor jack, unbolt the shock, compress the spring with quality compressors, unbolt the upper ball joint, carefully separate the balljoint from the spindle, and carefully release the lower control arm. You will find unless you have an ultra low mile car that the upper and lower ball joint will be sloppy and need to be replaced.
To replace the rear springs, you jack the car up by the frame, place another floor jack under center of rear axle, unbolt both lower shock bolts, then let rear swing down and remove and replace both springs.
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1976 LeMans B09 Freeway Enforcer, 455/M40 Smokey
1977 Trans Am, 400/M21 Black/Gold Bandit. 44K actual miles
2017 Sierra SLT 1500 Z71 4X4 
2019 Canyon SLT Crew 4X4 
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