87 70 19 Removing and installing the expansion valve · Removal

911 Carrera (996) Air conditioning 87 70 19 Removing and installing the expansion valve Removal Tightening torques: 1. Removethe cover abovethe heating/air-con- Screw M5 6 Nm (4.5 ftlb) ditioningsystem. Screw M6 9 Nm (6.5 ftlb) 2. Removethe refrigerant by suction using the service unit. 3. Detach the air-conditioninglines at the ex- pansionvalve. Immediatelyclose connections and lines with plugs so that they are air-tight. 4. Undo the expansionvalve and remove it. Immediatelyclose the lines to the evaporator with plugs so that they are air-tight. ;;; \ ,n '""' 81 -98 Installation 1. Do not remove plugs until shortly before installation.Replace a-rings and wet the new rings with refrigerant oil. 2. Refrigerantoil removed from a previouslyrun air-conditioningsystem may no longer be used (special-categorywaste). 87 70 19 Removing and installing the expansion valve 87 -23 Printed in Germany, 1997 996871 ~Q(C]