How to troubleshoot unqualified torque in automotive assembly? Check these items before rework

When automotive assembly torque is unqualified, don't just focus on whether the operator tightened it correctly. We've had several issues on the floor, and the causes were always different: once it was socket wear—the tool indicated the torque was reached, but the actual fit was poor; another time there was oil residue in the threads, which made the angle data look wrong, and we spent a long…