hvacAC Compressor Torque Specsfor 2012 Mercedes-Benz SL550 R230 5.5L V8 M273 · RWDUnitslb-ftNm3 fastenersSeqComponentTorqueAngle—AC Compressor Mounting BoltsCritical18 lb-ft · 25 Nm——AC Line FittingsCriticalUse new O-rings, add PAG oil15 lb-ft · 20 Nm——Clutch Connector Bolt6 lb-ft · 8 Nm—📝 Suggest a correction to this torque spec