Operation CHARM: Car repair manuals for everyone.

Idler Arm: Service and Repair

Idler Arm Replacement

Removal Procedure

- Tools Required
- J 42089 Linkage Installer
- J 42400 Relay Rod Removal Tool

Notice: Do not attempt to disconnect a steering linkage joint by driving a wedge between the joint and the attached part. Seal damage may result which will cause premature failure of the joint.

Caution: To help avoid personal injury when a vehicle is on a hoist, provide additional support for the vehicle at the opposite end from which components are being removed. This will reduce the possibility of the vehicle falling off the hoist.





1. Raise and support the vehicle.
2. Remove the idler arm bolts.
3. Remove the relay rod-to-idler arm ball stud nut.
4. Use the J 42400 to remove idler arm from the relay rod.

Installation Procedure

Notice: Refer to Fastener Notice in Service Precautions.





1. Install the idler arm and bolts.
- Tighten the idler arm bolts to 60 Nm (44 ft. lbs.).
2. Install the relay rod to the idler arm.
3. Install the J 42089 to the relay rod ball stud.
- Tighten the J 42089 to 30 Nm (22 ft. lbs.).
4. Remove the J 42089 from the relay rod ball stud.

Important: Use a new self-locking idler arm ball stud nut.

5. Install the relay rod-to-idler arm ball stud nut.
- Tighten the relay rod-to-idler arm ball stud nut to 60 Nm (44 ft. lbs.).
6. Lower the vehicle.