These are instructions that I found online. From reading them I am glad I have not yet had to replace the alternator on "MY" Sedona. Hope this helps as the KIA manual does not supply alternator R & R instructions. Good luck. As for #5 I removed the front wheel and plastic panel when I had to replace "just" the serpentine belts and idler pulley. That was pretty simple. 1. Remove the terminal connections on the battery. Allow 30 minutes to pass for the airbags to automatically disable. 2. Remove the air filter intake. The air filter intake is the large plastic box above the radiator that is connected to the air filter housing. With the air filter intake removed, you can now remove the support beam above the radiator itself. You will have to use a Phillips screwdriver to remove a total of 10 screws from the support beam. 3. Place the large pan underneath the vehicle right under the radiator. Unplug the two radiator hoses that are connected to the radiator. 4. Remove the pipe that the radiator hoses were connected to. Remove both fans that are attached to the radiator by unscrewing the four screws holding each fan in place. This will allow access to the alternator itself. 5. Remove the serpentine belt by loosening the manual adjustment pulley held in place by two nuts. Use the socket wrench to remove the nuts and then remove the serpentine belt. Remove the support bar that connects the engine block to the alternator. Remove the 2 screws holding the support bar in place to remove it. 6. Remove the three bolts on the left side of the alternator. Disconnect the wire harness to the alternator by squeezing the tabs and pulling it out. Disconnect the hot connector by pulling it out. Pull the alternator out of the vehicle. Place the new alternator into the vehicle and reconnect the hot connector and wire harness to the alternator. 7. Reattach the support bar by reinstalling the two screws. Reattach the serpentine belt into the vehicle and tighten the manual adjustment pulley. Reattach the two nuts holding it into place. 8. Reattach the fans attached to the radiator. Make sure there are four screws for each fan to secure it into place. Reattach the pipe that the radiator hoses were connected to and reconnect the two hoses that were connected to the radiator. 9. Use all ten screws to reattach the black support beam above the radiator. Place the air filter intake back into the vehicle. Reconnect the terminal connections to the battery and close the hood.
SOURCE: 2004 kia sedona replacing alternator
I've managed to replace mine now. There seems to be little advice/experience of replacing an alternator on a Diesel engine in a Sedona. For mine, I removed the brake master cylinder assy, without disconnecting the pipes. This gave slack to move it over to the side, leaving a gap in which to work and space to draw the old alterator out. I also removed the radiator from the top of the engine, leaving a bit more space. Taking away the RH wheel and splash guard gave access to the belt tensioner and crankshaft nut, to be able to turn the engine over.
I also found it necessary to remove clips and clamps from various pipes so I could move the pipes and wires around a bit.
All in all a tricky job, but one which would be only half the job now I've done it once!
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