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Cooling System

COOLING SYSTEM SPECIFICATION

Item Measurement Qualification Standard or New
Radiator Coolant capacities (including engine, heater, hoses, and reservoir) Use Acura Long Life Antifreeze/ Coolant Type 2 (K20Z2) M/T: engine overhaul 6.6 L (1.74 US gal)
M/T: coolant change 4.3 L (1.14 US gal)
A/T: engine overhaul 6.5 L (1.72 US gal)
A/T: coolant change 4.2 L (1.11 US gal)
Coolant capacities (includes engine, heater, hoses, and reservoir) Use Honda Long Life Antifreeze/ Coolant Type 2 (K20Z3) Engine overhaul 6.8 L (1.80 US gal)
Coolant change 4.5 L (1.19 US gal)
Coolant reservoir Coolant capacity   0.4 L (0.11 US gal, 0.09 Imp gal)
Radiator cap Opening pressure   93-123 kPa (0.95-1.25 kgf/cm2 , 14-18 psi)
Thermostat Opening temperature Begins to open 76-80°C (169-176°F)
Fully open 90°C (194°F)
Valve lift at fully open   8.0 mm (0.31 in.)