Parts for your 2014 Toyota Bb-Radiator

2014 Toyota bB Radiator – purpose, care, and when to replace

A radiator is absolutely fitted to the 2014 Toyota bB. Technical sources including Toyota’s Electronic Parts Catalogue (EPC) for the QNC2# series and the Toyota Repair Manual (Cooling System section) list a dedicated radiator assembly, cap, hoses, thermostat and electric fans for the model. DENSO application data and the bB/Daihatsu Materia (shared platform) service literature also describe a liquid-cooled petrol engine using Toyota Super Long Life Coolant, which relies on the radiator for heat rejection.

On this bB, the radiator’s job is to pull heat out of the engine coolant so the 1.3 or 1.5 petrol mill stays in its sweet spot. Coolant flows from the engine to the alloy-core radiator, the fans kick in as needed, and the thermostat and cap manage pressure and flow. Kept happy, it prevents overheating, keeps performance tidy, and protects the head gasket and alloy components from thermal stress and corrosion.

For ongoing servicing, it’s smart to check the radiator at each service interval:

• Inspect plastic end tanks and seams for hairline cracks or pink/white crust from dried coolant.
• Look for damp patches around the core, hose joints and the radiator cap