in the rotor retaining screw, or the caliper slide? the slide is supposed to have a cap on it so that it doesn't get filled with debris. :)
both are hex fasteners, not torx. ;)
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Glad you guys are getting so much entertainment from my pain haha
Replace the OE rotor screw with stainless.
https://www.ecstuning.com/b-ecs-part...ach/6-ecs-001/
Or just coat with anti seize compound
Repaired my DISA valve using the G.A.S. rebuild kit (quality product). She’s purring like a kitten now without the clatter, and it’s comforting to know she’s not going to grenade. The valve actually looked pretty good—as well it should with only 49,200 miles on it.