10-132 A/C system 10. A/C and Safety System b. Unscrew the fixing bolts of the HVAC assembly. Tightening torque of bolt: 8±1Nm. c. Disconnect the A/C drain pipe as indicated by the arrow. d. Disconnect the water heating PTC assembly connectors. e. Unscrew 2 fixing bolts of the HVAC assembly. f. Remove the HVAC assembly ① . Tightening torque of bolt: 8±1Nm. VOYAH FREE