Product Dose

Directions for use
Note: Exercise caution when removing radiator caps. Release pressure slowly to avoid scalding.

  • Turn on the heater and add required amount of RX 400 to a warm radiator.
  • Run the engine for 20 minutes minimum (no longer than 1 hour). Stop the engine and allow it to cool.
  • Drain the system by removing the bottom radiator hose or opening the drain cock. Thoroughly flush and rinse out all old coolant. Replace the hose or close the drain cock.
  • Add RXSOL 4001  corrosion inhibitor and clean, soft or demineralised water, or
  • Where specified, use anti-freeze/anti-boil coolant (such as RXSOL-4004 ultra Coolant).
  • Start the engine, check for leaks and top up as necessary.

Dose Rates

  • All cars and light commercials - add 500 ml
  • For trucks, tractors and large engines - add 500 ml for every 6 litres (quarts) of cooling system capacity.

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