suspensionUpper Control Arm - Front Torque Specsfor 2021 GMC Sierra 1500 6.2L V8 · RWDUnitslb-ftNm7 fastenersSeqComponentTorqueAngle—Ball Joint NutTighten to 37 lb-ft then loosen 180°. Tighten to 37 lb-ft + 90-100 degrees (verify year).37 lb-ft · 50 Nm90°—Control Arm BoltsTorque with weight on wheels128 lb-ft · 174 Nm——Control Arm-to-Frame Nuts⚠️ TORQUE AT RIDE HEIGHT (Weight on wheels) to prevent bushing failure.90 lb-ft · 122 Nm——Mounting Bolts27 lb-ft · 37 Nm——Strut Bolts115 lb-ft · 156 Nm——Sway Bar Link61 lb-ft · 83 Nm——Wheel Lug NutsTorque in star pattern135 lb-ft · 183 Nm—📝 Suggest a correction to this torque spec