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Fuel supply, gas operation > < Cooling system: checking seal

Leon Mk2

Pressure relief valve in filler cap: checking
Pressure relief valve in filler cap: checking
–  Insert the coolant system tester -SAT 1274- with the adapter -VAG 1274/9- into the cap.
–  Operate hand vacuum pump of the coolant tester -SAT 1274-.
l  When pressure exceeds 1.4 ... 1.6 bar, the pressure release valve should open.
   

Fuel supply, gas operation > < Cooling system: checking seal