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Home >> Honda >> 2021 >> Passport Sport, FWD >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System Service Specifications >> Cooling System

Cooling System

Item  Measurement  Qualification  Standard or New  Service Limit 
Radiator Coolant capacity (including coolant reservoir capacity) Engine overhaul 8.9 L (2.35 US gal) -
Coolant change 7.4 L (1.95 US gal) -
Coolant type   Use Honda Long Life Antifreeze/Coolant Type 2, and add Honda Extreme Cold Weather Antifreeze/Coolant Type 2.
NOTE: If the vehicle is regularly driven in very low temperatures (below -22 deg.F (-30 deg.C)), a 60 % concentration of coolant should be used.
Coolant reservoir Coolant capacity   0.9 L (0.24 US gal) -
Radiator cap Opening pressure   93-123 kPa (0.95-1.25 kgf/cm 2, 13.5-17.8 psi) -
Thermostat Opening temperature Begins to open 176-183 deg.F (80-84 deg.C) -
Fully open 203 deg.F (95 deg.C) -
Valve lift at fully open   10 mm (0.39 in) -