Hello, I'm Danny.
Here is the information you requested. Yes, having the timing set will aid in properly adjusting the valves which are controlled by the rocker arm assembly. I've attached picture steps below for your Eclipse 2.4L. Let us know if you have any further questions on this issue. Hope this helps and thanks for using 2CarPros.
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Thursday, March 11th, 2021 AT 9:08 PM