Well, I just did the same thing today. I have an LX and lost the 2nd from front on drivers side. Tried to fish it out with 2 picks but eventually lost it. Did you remove the A and B pillar trim to get the headliner down enough? I don’t actually need a bolt to go back since I’m just installing an OEM LC rack, and that’s the one space not used. So wrestling with trying to fish it out, or just come with some other solution to keep water out of the holes.Forgot to mention key piece:
The roof rack bracket (which holds both bolts together) and the retainer in LEFT FRONT side had fallen down and into headliner some time back. Drove few months after that with old roof rack. Once the new roof rack arrived and I ordered my new Bracket from Toyota, I was able to pull the headliner down from LEFT FRONT side only (Being extra careful with airbags) and in attempt to put the new bracket from inside (to bolt on new rack), my fingers mysteriously located the old bracket AND the old retainer
Makes me feel much better that they won’t be dancing on the inside (posing danger to airbags or wiring).
Few hours well spent instead of paying Toyota $400-700+ that they were quoting
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I read the posts about being careful and I thought I pulled it back up enough, but as soon as I pulled the rail, the nut bracket fell in.