Coil is torn on one side

Hello,

We'd be happy to help but we can't be sure if the S210 would be the correct replacement for your coil balance with the hardware still installed. We would need to start by seeing your assembly removed from the window and confirming that your dimensions match the image shown below. You are correct that both coil springs would generally connect to the top mounting bracket. It's possible that one of your coils may have broken and snapped back into the housing but you won't know for sure until the hardware is removed. 

Alternate image for S210-20

We'll also relate our video showing the cutout method recommended for these types of repairs. There si no special trick to removing a larger coil assembly like yours. Once the cutout is made, the entire part should come out from the top as one piece, which can take some patience and elbow grease. Though your coil balance is a different style than the one featured in our video, the 

We do offer the 75-069 jamb spreaders but we only recommend them for professionals that often do these types of repairs. In addition to being quite expensive and not being able to be returned, they can also cause damage to the window jamb if used incorrectly. 

Thanks for letting us know how your repair worked out! We'll be here if you have any other hardware questions down the line.