Engine Cooling, Heating and Ventilation System Specifications (Nissan Micra K12)

Specifications

Type and volume of coolant	cm. Specifications
Coolant of the A/C system	HFC-134A (R-134a)
Amount of refrigerant, g	450÷500
Compressor oil K/V	Nissan A/C System Oil Type R or equivalent
Thermostat opening temperature, degrees	86.5÷89.5
Thermostat valve stroke at 101 degrees, mm	not less than 8
Thermostat closing temperature, degrees	83
Cooling system test pressure, atm	1.57
Pressure maintained by the radiator cap of the cooling system, atm
Standard	0.78÷0.98
Maximum permissible	0.59
Compressor type K/V	Zexel Valeo Climate Control KC59G, rotary

Expansion tank (models with manual transmission and automatic transmission)	3.8÷4.5
Electric motor of the cooling system fan	3.0÷4.0
Central screw for fastening the impeller of the cooling system fan	1.7÷2.3
Water pump	10.0÷13.7
Water pump pulley	6.9÷9.5
Suction tube	16.6÷23.5
Gutter	6.3÷8.3
Heater tube	29.4÷39.2
ECT sensor	20÷27
CV unit mounting bolt	6÷7.7
Fasteners (nut and bolt) steering mechanism	11÷13
Bolts for fastening low pressure hoses and high pressure pipes	2.9÷5.9
Nuts for fastening flexible hoses to the compressor K/V	7.8÷19.6
Bolt for fastening the flexible high pressure hose to the condenser	7.8÷19.6
Bolt for fastening high pressure pipe to condenser	2.9÷5.9
Compressor mounting bolts K/V	16.6÷23.5
Refrigerant pressure sensor	9.8÷11.7
Lower Radiator Support Beam Fastening Bolts	43.4÷58.7
Upper receiver-dryer mounting bolts	2.9÷3.8