alternator removal

I'm in the process of replacing the alternator on a 2006 Dodge Grand Caravan (3.8L). The Haynes manual suggests that I remove the oil dipstick, but I've also seen posts in this forum recommending the removal of the EGR to make room for the alternator extraction. What is the best approach...

I am new to this site so I apologize if the answer to my questions are in the archives. I was only able to find one rerference. I need to replace the alternator on my '99 Grand caravan, 3.3L, V6. My Haynes manual ( unfortunately, my manual is for 84-93 vans) says to take it out from underneath...