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The plastic on my Accord's indicator stalk snapped at the base after 32 years of use. Electrics seem fine and I think I could glue it back together, but I'm just worried about it breaking again.

What's the best adhesive I could use for this job?

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    A picture would help; you can add one to your question by using the "edit" function and then selecting the "moon and mountains" icon to attach an image. A butt joint in the stalk is unlikely to hold no matter what kind of adhesive you choose. To make such a joint sturdy enough, you'll have to add longitudinal stiffeners spanning the joint for (I'd guess) at least a half-inch on each side. – DavidSupportsMonica Nov 6 '20 at 0:24
  • Did it snap off right at the base, or is there a bit of stalk? – GdD Nov 6 '20 at 9:00
  • @GdD at the base – MeltingDog Nov 10 '20 at 23:46
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No adhesive or resin out there is going to solve this problem by itself. Plastic is non-porous, and a snapped piece of plastic won't have much surface area to bond, so you won't get much strength even with a high-strength 2 part epoxy resin. Even with epoxy you may be able to get it to stay in place but it will simply snap when you try to use the turn signal.

You need to add some strength using some sort of rigid material inside or outside of the stalk. If you had enough of the stalk sticking out I'd recommend doing it outside, using piece of drinking straw or something similar to act as a splint. You'd fill the straw with epoxy and then put it on the parts of the stalk. Epoxy would squirt out and it could get messy, but it would be effective.

As you say there's no stalk sitting out you have a slightly more challenging fix as the only way to give rigidity is to put material on the hollow inside of the stalk. You'll want to find a rigid piece of metal pin (think a nail with no head, maybe a screw) that just barely fits inside, then epoxy both inside to fix that metal in place and at the joint as well. Use a 5 minute epoxy and work quickly, just don't go crazy and pour lots of epoxy in your steering column, just just enough.

Also, when using epoxy make sure you have good ventilation and use gloves, epoxy is awesome stuff, but it's not good for you!

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Drilling and inserting a headless screw or even a bit of welding rod can work.

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