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2017–2020 Toyota 86 Radiator & Cooling FAQ's

Please read our FAQs page to find out more.

What cooling upgrades prevent heat soak on the ZN6 Toyota 86?

A higher‑capacity aluminum radiator with a sealed shroud, fresh thermostat, and proper ducting stabilizes coolant temps. Pair with silicone hoses and fully bleed to remove air pockets.

Is an oil cooler recommended for a track‑driven ZN6 Toyota 86?

Yes. A thermostatic sandwich plate and front‑mounted cooler keep oil temps in range during sustained sessions. Route lines away from exhaust heat and secure with P‑clips.

Any overflow and heater‑core care tips for the ZN6 Toyota 86?

Replace weak caps and brittle hoses, verify the overflow draws back coolant as the system cools, and address sweet smells or fogging early to prevent interior damage.