Definitely better to replace but I've repaired similar by bending in a new curve. As long as it can be calibrated to match the sightly new offset it will work..
Yellow arrow old, blue new. I have special tricks for dealing with tiny things like this, but a drill bit will work as a form to put under the fingers and I would probably use a razor blade to push down and make the bend.
Since I'm pretty sure my car needs this, I will likely get my hands on a repair kit or a pick n pull before I risk destroying mine.
Here's the thing with sliding contacts: I had one once that varied from 0.1 Ω to 1.8 Ω as it slid.
Two drops of deoxit gold and 20-30 quick slides to work it in and it went to 30-35 mΩ (0.035-40). Literally 60x better conductivity.
In my case where I had two hiccups in 8 months, a simple boost in conductivity might punt the problem for years.
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