Previa Van 4WD L4-148.8 2438cc 2.4L DOHC (2TZ-FE) (1991)
Refrigerant Pressure Sensor / Switch: Service and Repair
PRESSURE SWITCH
REMOVAL
1. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM
HINT:
Evacuate air from refrigeration system.
Charge system with refrigerant and inspect for leakage of refrigerant
Specified amount: 850 ± 50 g (29.98 ± 1.76 oz.)
2. REMOVE PRESSURE SWITCH
(a) Disconnect the connector.
(b) Remove the pressure switch from the liquid tube.
Torque: 10 N-m (100 kgf-cm, 7 ft-lbf)
HINT:
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Lock the switch mount on the tube with an open end wrench, being careful not to deform the tube, and remove the switch.
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At the time of installation, lubricate a new ~ring with compressor oil and install the switch.