10. A/C and Safety System 10-125 A/C system b. Unscrew 4 connecting bolts of the battery cooling module A/C pipe assembly. Tightening torque of bolt: 10±1Nm. c. Remove the battery cooling module A/C pipe assembly ① . CAUTION: – Sealing pipeline connectors. Refitting procedure The refitting procedure is performed in reverse order. CAUTION: – Replace the O-ring with a new one, and apply A/C compressor lubricating oil to the O-ring. – Vacuum the A/C system after the refitting is completed (refer to 10.1.12.14 A/C system vacuuming – Add the refrigerant (refer to 10.1.12.12 Recovering/adding refrigerant) VOYAH FREE