Introduction

The idler arm is an essential part of the steering and suspension system on a truck. This guide shows how to replace the most common broken part on an idler arm. Check this guide to learn how to take one off.

Image 1/1:
  • First the Idler arm must be removed from the truck. Another guide has instructions to take the arm off.

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Image 1/2: Spray the cap with penetrating lubricant. Image 2/2: Using a screw driver, tap the idler arm bracket cap off.
  • Place the arm in a vise.

  • Spray the cap with penetrating lubricant.

  • Using a screw driver, tap the idler arm bracket cap off.

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Image 1/3: If the arm rotates in the bracket, then it can be taken out of the vice and placed on the ground. Image 2/3: Once on the ground, your foot can be used to stop the arm from rotating and enable you to put torque on the nut. Image 3/3: Once the nut is off, the arm can be gently tapped out of the bracket.
  • Using a 19 mm socket, take the nut off from inside the idler arm bracket.

    • If the arm rotates in the bracket, then it can be taken out of the vice and placed on the ground.

    • Once on the ground, your foot can be used to stop the arm from rotating and enable you to put torque on the nut.

  • Once the nut is off, the arm can be gently tapped out of the bracket.

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Image 1/2: Remove the plastic bushings with a flat head. Image 2/2: Both bushings and oil seals should be removed and replaced.
  • Remove the oil seal.

  • Remove the plastic bushings with a flat head.

    • Both bushings and oil seals should be removed and replaced.

  • Fill the bracket with MP grease and then put the arm back into the bracket.

    • Wipe off any grease that squeezes out of the bracket.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

Colton Baker

Member since: 10/20/2015

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