Additive GOODYEAR Cylinder Head Gasket Sealant & Repair 250ML

Goodyear joint sealant and engine head repair is a high-performance sealant designed to repair and prevent leaks and micro-leaks in the vehicle's cooling system. With an advanced formula that combines sealing compounds with suspended copper particles, this additive acts quickly and effectively, permanently sealing cracks and porosity in:

• Engine head gasket
• Radiator
• Engine block
• Heater core
• Freeze plugs

Its corrective and preventive action helps maintain optimal pressure in the circuit, reduce coolant loss and prevent overheating or incorrect coolant consumption.

• Compatible with all modern coolants, including those with IAT (Inorganic Acid Technology) and OAT (Organic Acid Technology).
• Easy to apply: just add to the radiator or expansion tank when the engine is cold.
• Ideal for corrective or preventive maintenance on light, commercial and industrial vehicles.

How to use

1. Shake well before use.
2. Add with the engine cold, directly into the radiator or expansion tank.
3. Recommended dose: 250 ml per 5 litres of coolant.
4. Start the engine until it reaches normal operating temperature.
5. Check the coolant level and top up if necessary.