Didn’t affect my SSD replacement at all and I didn’t use any thermal sensor. iMac works just as before. SSD was Samsung 870QVO

Successfully followed the guide and no issues. It was one of the easiest repairs I’ve carried out. Much easier than the older 27” iMac. New SSD fitted and all working fine. Don’t bother wasting money on the thermal sensor as I didn’t fit one and the iMac is working fine with no fans going at it like a 747 taking off! Also I didn’t bother with the SSD caddy: just stick it down with some 3M sticky pads!! ?

Don’t bother with the thermal sensor. I didn’t fit one and the iMac is working fine and no fans are kicking in.

Is the thermal sensor needed? I fitted a replacement SSD and it’s all back together and the iMac’s fans are fine. They don’t go into full max speed mode.

Didn’t bother with the SSD caddy. Some 3M sticky pads did the trick!

I lifted the display a few inches up and propped it open in the middle using my iPhone in portrait mode with its torch on. Did the job nicely:

No problems. I used two old credit cards and marked out a line using permanent marker so it was at the same depth as stipulated on this page. I even pushed it in a little deeper and no issues.

Didn’t need the cardboard wedge to remove the display. Waste of money. Lay your Mac on its back.