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Honda Civic Type R (FL5) Radiator & Cooling FAQ's

Please read our FAQs page to find out more.

Which cooling upgrades help the FL5 Civic Type R most?

Aluminum radiators, upgraded fans, thermostats, oil coolers, and silicone hoses improve heat control and reliability for the FL5.

Do I need an upgraded radiator or oil cooler for a tuned FL5?

Higher power and track use generate more heat. Upgraded radiators and oil coolers help the FL5 CTR maintain safe temperatures.

What coolant and maintenance schedule works for an FL5?

Use quality coolant and inspect hoses and fans regularly. Shorten intervals for FL5 vehicles used on track.