You shouldn't use a torque wrench with a universal joint. You will under torque the spark plug. Both the angle and the "U" joint itself will decrease the torque that the wrench shows. Either use the torque wrench perpendicular to the spark plug with the proper extension, or tighten by feel, if the torque wrench won't fit.
After disconnecting the battery, did you have to reset/ reprogram power windows or anything else? I have a 2017 outback limited 2.5 i need to do spark plugs on. My subaru tech guy says if the battery is disconnected, you have to do a bunch of relearn procedures. I'm just curious if you had to do anything like that?
On my 2015 Outback whenever I disconnect the battery my front passenger windows stops working from driver side button. The button on the passenger door works fine. There is a procedure to reset it. I think using the passenger side button it's something like roll the window down, keep holding the down button for a few seconds, then roll it up and keep holding the up button for a few seconds.
Interesting question… I drove (2019 Forester) back from Qld to SA, Australia, a 3 day & nights trip, & was advised by an electrical/mechanic to disconnect the battery each night/reconnect in AM - because of a short in rear fog light that could have drained - not once did I notice anything electrical or electronic not working, ie windows, (preset) radio, dash instruments all working, wipers, etc. 🤷🏻♂️ I have heard from different sources since, about having to reset/reprogram whatever, though in my case I must’ve got lucky 🤷🏻♂️
