^ Installation is the same between SR and KA24DE. They both use the same style fuel injectors, similar rail, etc. The o-rings are the same.
While you're in there messing with injectors, it would be a good idea to replace all the o-rings at once.
1: Take all 4 injectors out of the rail. 2 phillips head screws per injector cap, careful not to strip these, might be easiest to hit em with a small electric impact if you have one. Be careful not to drop/lose the little rubber retainers in the caps. Injectors will slide out of the rail pockets, but it may take some careful twisting and pulling.
2: Take the rail off the manifold. 3 or 4 bolts.
3: Replace the 4 fat rubber gaskets in the mani runners
4: Replace the 4 lower o-rings (small diameter) and the 4 upper o-rings (large diameter) on the injectors. Carefully put the new o-rings onto the injectors with petroleum jelly to avoid ripping.
5: Reinstall the injectors and rail. Consider throwing out those 8 crappy phillips injector cap screws and getting 8 allen bolts of the same thread/length at your local hardware aisle.
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