OEM Chevrolet Avalanche 1500 Torsion Bar

Chevrolet Avalanche 1500 Torsion Bar Parts and Q&A

• Torsion Bar, Front Passenger Side
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  Q: How to replace the torsion bar on Chevrolet Avalanche 1500?

  A:

  First, lift and support the vehicle to replace the Torsion Bar. Beware when dealing with the torsion bars, take care of their coating not to ruin it which will eventually cause the bars to break. After you have uninstalled the lower a- frame torque arm , installing the Torsion Bar unloading/loading tool (J 36202) to the adjustment arm and the cross member this will help you to increase the tension on the adjustment arm until the load is removed from the adjustment bolt and the adjuster nut. Mark the adjustment bolt and note down the number of turns needed for removal then remove the adjustment bolt and adjuster nut. After taking out the j 36202, allow the Torsion Bar to unload and move it forward to clear the adjustment arm, and support the adjustment arm as it releases. Next, take off the Torsion Bar crossmember bolts from the weld nuts and take out the torsion bars marking their positions to the lefts and rights as they are different. For installation, mount torsion bars to lower Control Arm, bolt the Torsion Bar crossmember to the lower Control Arm onto the crossmember bolts and tighten these are hitting up against the weld nuts and tightening up against the weld nuts to 95umann (nanometer) 70 (lb ft) of torque. Supporting the adjustment arm, slide the Torsion Bar to rear until fully engage the adjustment arm, then reinstall the j 36202 to adjustment arm and crossmember to load Torsion Bar. Fix the adjustment bolt and adjuster nut, which should be in the exact same number of turns like when removing it. Remove the j 36202 to relieve the pressure on the Torsion Bar till the pressure is absorbed by adjustment bolt. Finally, take off the safety stands, lower the vehicle, and take the measurement of z height adjust the adjustment bolt in a clockwise direction to increase and a counter clockwise direction to decrease the z height accordingly.