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Fuel supply, gas operation > < Cooling system: checking for leaks

Leon Mk2

Testing pressure relief valve in filler cap
   
Testing pressure relief valve in filler cap
–  Attach the cooling system tester -V.A.G 1274- with the adaptor -V.A.G 1274/9- onto the cap.
–  Operate hand vacuum pump.
l  The pressure release valve should open at a pressure of 1.4 - 1.6 bar.
  A19-0055

Fuel supply, gas operation > < Cooling system: checking for leaks