Nissan 92136-1FA0A Sensor Assembly-Pressure

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Have the HVAC Pressure Switch system discharged by a dealer service department or an automotive HVAC Pressure Switch shop before proceeding (Warning above). Remove the radiator grille (from the bumper cover) and unplug the electrical connector from the HVAC Pressure Switch (Unplug the electrical connector, then unscrew the switch). On 2007 and later G35 Sedan models, unscrew the pressure switch from the top of the receiver-drier and discard the 0-ring seal. On all other models, unscrew the pressure switch from the condenser above the receiver-drier and discard the 0-ring seal. Lubricate a new R-134a compatible 0-ring seal with the appropriate refrigerant oil and place it into position, install the new switch until hand tight, and then tighten it securely. Have the system evacuated, recharged and leak-tested by the shop that discharged it.

To remove the compressor, discharge the air conditioning system, remove the drivebelt, unscrew the refrigerant pipe retaining plates, disconnect the wiring, and remove the compressor. Drain oil if renewing. For refitting, lubricate new sealing rings, fit the pipes, reconnect the wiring, and refit the drivebelt. For the condenser, remove the front bumper, air guides, intercooler, disconnect the pipes, and remove the condenser. For the receiver/dryer, remove the bumper, air guide, bolts, and disconnect the pipes. For the pressure switch, disconnect the wiring, unscrew it, and replace the sealing ring. For the evaporator, remove the heater/ventilation housing, components within, and the evaporator cover. For the expansion valve, remove the cowl panel, disconnect pipes, undo the bolts, and remove it. Refit with new seals.