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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.

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

  2. Place the arm in a vise. Spray the cap with penetrating lubricant.
    • Place the arm in a vise.

    • Spray the cap with penetrating lubricant.

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

    • If it will not come off easily, then check out the trouble shooting page.

  3. 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.
    • 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.

  4. Remove the oil seal. Remove the plastic bushings with a flat head.
    • 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.

Conclusion

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

Colton Baker

Membre depuis le 20/10/2015

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University of Memphis, Team 1-1, Kim Fall 2015 Membre de l'équipe University of Memphis, Team 1-1, Kim Fall 2015

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