This high-quality cylinder head gasket repair from VALETCHEM LTD is designed to fix blown head gaskets quickly and easily. 

Only 1 x 500ml bottle is required for engines up to 2.5ltrs. 2 x 500ml for engines between 2.5ltrs and 4ltrs, and 3 x 500ml for engines over 4ltrs. 

Make sure the engine is cold and continue to pour the gasket sealant directly in to the radiator. 

Place the cap back on the radiator and turn the engine on along with the heater. Leave to work for 60 minutes. 

Once complete, turn the car off and allow to fully cool. The system now needs to be topped up with antifreeze and water. Continue to drive the vehicle as normal.