A 2001 Chrysler LHS has suspension struts.
Struts.Struts.
When replacing struts, ALWAYS replace them in pairs.
Struts are not adjustable, and must be replaced if faulty,
A guide to changing struts your Pacifica is under the related links.
Dealer says 60K
NoNo
No, you do not have to.
You take it to a shop.
No, only one.
Most commonly, vehicles in the past 20 years or so have STRUTS in the front and SHOCKS in the rear. Sportier vehicles will have struts at all four wheels.
Yes