Replace the accumulators before the shocks...plenty of threads on this. The rears are not "shocks" since they don't really do any dampening. The accumulators are the shocks in reality.

__________________
2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k