How do you change diesel injector in 2004 2.9 ls kia sedona?

Answer 1

the problem is that injectors are forced into head . since head is aluminum and injector is steel after few years they become stucked together as they are one piece . you may expect that at least one injector will be broken during extraction . if you have spare/new injectors best way is to unscrew upper part of injector and chip the rest out with adequate tool . also if injectors are succesfuly removed there is problem with sealing new ones because during removal head will be almost certanly damaged . strongly recomending replacing whole head with injectors . used one in good condition is much cheaper than set of new injectors and head repair .

This is absolute nonsense, make a injector puller sliding hammer type and loosen holding clamp and wiring then pull hard upwards and the injectors will come out.