distributor replacement

[Mathieu]

Hi i have a jimmy ' 97 and i need to change my distributor , i want to know if i need to remove the upper intake manifold... as you can see on this link ( around the middle of the page, juste before removing the distributor ) :
http://www.handymanlyness.com/archi...anifold/GM_truck/gasket_replace_99_Jimmy.html

thanx for reply