how to change the crankshaft position sensor? on 2002 Kia Optima

the code is P0335 - crankshaft pos. sensor A. I would like some general instructions on how to replace

Asked by for the 2002 Kia Optima
Kia as a car manufacturer put a lot of great technical information and work shop manuals on line for free for Kia owners. Call your dealer first there is a recall on these, the dealer may do it for free!