I'm guessing you have the gas struts that are getting weak. Those are "relatively" easy o change out, but can be a PITA at the same time. My awning has a pin in each end so if yours is the same, extend the awning all the way out, pull the pins, then put the new one in and replace the pins. Maybe you can find out from the mfgr which struts you need (IF that's what you need). Here is a video so you can figure out which struts you have