🔧 Complete Specs Included
Radiator Replacement on 2012-2015 Honda Civic
Swap a leaking aluminum radiator core. Step-by-step coolant draining and hose routing instructions. Mapped specifically for 2012 Honda Civic Si (2.4L I4 (K24Z7)).
Step 1
Drain Engine Coolant
Ensure the engine is stone-cold. Remove the radiator cap. Loosen the plastic white drain butterfly plug on bottom of the radiator to empty coolant.
🔧 Fastener: Radiator Petcock • Torque Spec: Hand tight
Step 2
Unbolt Fans & Hose Connections
Slide off the upper and lower rubber radiator hoses. Disconnect the cooling fan electric plugs, unbolt the upper brackets, and pull the radiator assembly up.
🔧 Fastener: 10mm Bracket Bolt • Torque Spec: 8 ft-lbs