OEM Chevrolet Express 3500 Torsion Bar

Chevrolet Express 3500 Torsion Bar Parts and Q&A

• Torsion Bar, Front Passenger Side
  15750720
  Q: How to replace the torsion bar and support assembly on Chevrolet Express 3500?

  A:

  To remove the Torsion Bar & support assembly, we start by raising & supporting the vehicle. Mount Torsion Bar unloading/loading tool (J 36202) to adjustment arm and the support, but raise the tension of the adjustment arm for releasing the load from the adjustment bolt and the adjuster nut. Mark the adjustment bolt, and note the count to remove it. Then, do away with the adjustment bolt, the adjuster nut, and take the Torsion Bar unloading/loading tool(J 36202) off to let the Torsion Bar unload. Push the Torsion Bar forward to loosen the adjustment arm, which is then to be held by hand as it detaches from the Torsion Bar. Unmount the Torsion Bar support bolts and the Torsion Bar support, making a note of the left and right torsion bars because they are different. To install it, mount the torsion bars on the lower Control Arm and mount the Torsion Bar support and then the Torsion Bar support (fig. 2 bolts) should be tightened to 95 n.m (70 lb ft). In positioning the adjustment arm, slide the Torsion Bar back until it cuts through the adjustment arm completely. Reinstall the Torsion Bar unloading/loading tool (J 36202) to the adjustment arm and the support, and deliver high tension to load the Torsion Bar. Install the adjustment bolt same number of screw as used for the removal and the adjuster nut. Remove the Torsion Bar unloading/ loading tool (J 36202) to relieve none of the Torsion Bar and let the adjustment bolt take up the load and then lower the vehicle. Last but not least, measure the z height and turn the bolt clockwise, to increase it, or counterclockwise, to lower it according to your needs.