OEM GMC Sierra 3500 Idler Arm

GMC Sierra 3500 Idler Arm Parts Questions & Experts Answers

• Pitman Arm
  12479051
  Q: How to replace the idler arm on GMC Sierra 3500?

  A: The replacement process for an Idler Arm requires three essential tools consisting of universal steering linkage puller (J 24319-B), steering linkage installer (12 mm) (J 29193) and steering linkage installer (14 mm) (J 29194). Start the replacement by lifting up the vehicle then take off the protective shield if it exists. Remove the Idler Arm ball stud nut after which you should detach the Idler Arm from the relay rod by using the universal steering linkage puller (J 24319-B). Remove all bolts from the Idler Arm frame then unfasten all frame nuts before extracting the Idler Arm from the vehicle. The new Idler Arm needs to be positioned on the frame followed by securing it with frame bolts and nuts . Tighten everything to 99 nm (73 ft. Lbs.). The Idler Arm ball stud receives the relay rod with its seal correctly positioned after which employ a steering linkage installer (J 29193, 12mm) to drive the tapers and achieve 54nm (40ft.lbs.) while using the alternative j 29194 (14mm) might also be utilized. The last step involves installing the new Idler Arm ball stud prevailing torque nut to the ball stud and tightening it to 62 nm (46 ft. Lbs.). Reinstall the engine protection shield if present and check the wheel alignment along with safely lowering the vehicle.