Is it necessary to change springs when changing shocks? on 2002 Ford Explorer

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My Explorer was diagnosed with a "leaky" right front shop while wintering in AZ. Returned to my home in Utah and went to the dealer. I asked him to check the "suspension". He said all looked o.k. I then told him of the AZ diagnosis. He put the car on the lift again and said the technician said there migh be a minor leak on the left front shock. I have not made any repairs as yet.
(1) Answer
Unless you feel the ride quality is not what is should be, I would not worry to much about changing a slightly leaking shock. It is not commonly necessary to replace the springs when the shocks are replaced unless the spring is actually part of the shop.