Cooling System (K20C1: Type-R)
WARNING: This page is about a different car, the 2021 Honda Civic, 2020 Honda Civic, 2019 Honda Civic, 2018 Honda Civic, and 2017 Honda Civic. However, it is still accessible from the selected car via links, so may be relevant.
| Item | Measurement | Qualification | Standard or New | Service Limit |
|---|---|---|---|---|
| Radiator | Coolant capacities (including engine, heater, hoses, and expansion tank) | Engine overhaul | 8.1 L (2.14 US gal) | - |
| Coolant change | 4.7 L (1.24 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. | |||
| Expansion tank | Coolant capacity | 0.8 L (0.21 US gal) | - | |
| Expansion tank cap | Opening pressure | 112-146 kPa (1.14-1.49 kgf/cm 2, 16.2-21.2 psi) | - | |
| Thermostat | Opening temperature | Begins to open | 169-176 deg.F (76-80 deg.C) | - |
| Fully open | 194 deg.F (90 deg.C) | - | ||
| Valve lift at fully open | 10.0 mm (0.394 in) min. | - | ||