Civic Si L4-2.0L (2004)
Coolant: Capacity Specifications
Engine Coolant Refill Capacity ................................................................................................................................................................. 5.0 L (5.3 US qt.)
Reserve Tank Capacity ........................................................................................................................................................................ 0.53 L (0.56 US qt.)
Engine Overhaul Capacity ......................................................................................................................................................................... 5.3 L (5.6 US qt.)