I’m confused, The lid doesn’t hold the heat sink down to the CPU or GPU. The heat sink is held down by four studs on the logic board. If you’ve managed to pull the stud off the logic board you’ll need to see if you can reglue it down or just replace the logic board.
Are you struggling with the plastic mid plane support sockets?
The older Unibody clips tended to break as they didn’t have a firm bottom. The Retina ones rarely break. In any case they don’t have any bearing on holding the heat sink. In fact there is an air gap between the bottom cover and the top of the heat sink to keep your lap cool.
FYI - Apple never offered them as a replacement part, other that getting them from a junker your only hope is finding someone with a 3D printer to make new ones.
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What was the final consensus to order one of these plastic mid plane support socket? I dropped my MacBook Pro (Retina, 15-inch, Mid 2015), A1398, six inches above a carpeted floor and broke one of these female end support sockets.
crwdns2934271:0crwdnd2934271:0 CaptProducer crwdne2934271:0
I never did replace them and my laptop is still going strong with a new battery and fresh thermal paste on all the heatsinks.
crwdns2934271:0crwdnd2934271:0 Daniel Christie crwdne2934271:0