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简介

Follow this guide to replace the right trigger (R2) in your Steam Controller (2nd Gen, 2026).

If your Steam Controller's right trigger (R2) feels loose, sticks during use, or registers inputs incorrectly, it might need to be replaced.

Problems with incorrect trigger inputs may indicate an issue with the main board—specifically, the trigger's hall effect sensor. If you suspect that's the case, follow this guide to replace the main board.

你所需要的

1. 步骤 1 Before you begin
  Let your controller's battery drain below 25% before starting this repair.
  
  Unplug all cables and accessories from the controller, including the Steam Controller Puck.
  
  During your repair, it can be helpful to lay the Steam Controller on a clean, soft cloth for stabilization and to prevent scratches.
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2. 步骤 2 Remove the back cover screws
  在这个步骤中使用的工具：
  TR6 Torx Security Screwdriver
  $5.99
  
  购买
  Use a T6 Torx screwdriver to remove the seven screws securing the back cover.
  
  To reach some of the screws you'll need a skinny, long-shank screwdriver.
  
  Throughout this repair, keep track of each screw and make sure it goes back exactly where it came from.
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3. 步骤 3 Remove the back cover
  Remove the back cover.
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1. 步骤 4 Remove the battery
  If your battery is swollen, take appropriate precautions. Never reinstall a swollen battery—replace it with a new one.
  
  Lift the right edge of the battery to remove it.
  
  During reassembly, first slide the left side of the battery into place so its connector is fully seated. Then, press the right side into place to secure it.
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1. 步骤 5 Remove the mounting bracket screws
  During the rest of your repair, don't forcefully push the controller down onto your work surface—you may damage the thumbsticks and trackpads.
  
  Use a T6 Torx screwdriver to remove the four 7.4 mm‑long screws securing the battery mounting bracket.
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2. 步骤 6 Remove the mounting bracket
  Remove the battery mounting bracket.
  
  During reassembly, make sure the three alignment pegs on the mounting bracket go into their holes on the board.
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1. 步骤 7 Remove the hinge pin
  The right trigger will be on your left-hand side since the controller is laying upside down.
  
  With one hand, fully depress the right trigger.
  
  Don't let go of the trigger, or it will eject and you may lose its spring.
  
  With your free hand, use tweezers to pull the hinge pin straight out and remove it.
  
  During reassembly, hold the trigger down and slide the pin through both hinge holes—the pin will stop sliding once it's fully inserted. Test the trigger to ensure the pin was properly installed.
  
  When correctly inserted, the pin's end will be alinged with the white rectangle on the board (labeled PIN)—there should be no wobble.
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2. 步骤 8 Remove the trigger
  Remove the right trigger.
  
  The spring will likely stick to the trigger's magnet.
  
  If the spring stayed on its post, leave it in place.
  
  During reassembly, make sure the spring goes over both of its posts (one on the controller and one on the trigger) and that the hinge holes are all aligned.
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