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Fuel supply, gas operation > < Inspecting coolant system with cooling system testing device V.A.G 1274 B for tightness

Yeti

Testing coolant thermostat
Testing coolant thermostat
Vehicles with coolant thermostat
–  Heat up the removed coolant regulator in a water bath.
Vehicles with 4/2 way valve
–  Heat up the removed 4/2 way valve with coolant regulator in a water bath.
   
Start of openingEnd of openingOpening stroke
approx. 87 °Capprox. 102 °C 1)min. 7 mm
t  1) Cannot be tested.

   

Fuel supply, gas operation > < Inspecting coolant system with cooling system testing device V.A.G 1274 B for tightness