Wynn's Cooling System Flush 325ml

£9.12 £7.60

Wynn's Cooling System Flush 325ml

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Wynn's Cooling System Flush 325ml

Wynn's Cooling System Flush is a concentrated product designed to thoroughly clean all automotive cooling systems
  • Powerful acid free radiator cleaner
  • Dual action - 1: Removes scale. 2: Eliminates rust, deposits and oily residues
  • Excellent performance in all types of cooling liquid, including OAT coolant
  • Keeps dirt and particulates in suspension whilst cleaning
  • Safe for rubber hoses, seals and all metals in the cooling system
  • Extremely effective in all closed-circuit cooling systems
  • Restores the optimal operation of the controls within the cooling system


  • For all "water" cooled systems of petrol and diesel engines
  • Recommended when changing the cooling liquid following the manufacturer’s instructions
  • Particularly effective when cleaning older cooling systems


  • Shake the can well and add contents to the cooling system via the expansion tank if part of the system circuit (2 hoses: out and return), or directly into the radiator if a single hose overflow tank is fitted
  • For higher performance, first replace the old coolant by water, then add Wynn’s Cooling System Flush
  • Warm up the engine with the heater control in HOT position
  • Let the engine run at idle for 10 minutes with heater still in "hot" position
  • Stop the engine and allow to cool, open drain valve and empty the system
  • With system still open, flush with water until clear, close system and refill with coolant
  • Contents of one can of 325 ml treats systems with capacity up to 12 litres
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