Test Sequence
WARNING: This page is about a different car, the 2015 Volkswagen Beetle, 2014 Volkswagen Beetle, and 2013 Volkswagen Beetle. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Steam can be released when the cap is removed from the expansion tank. Cover cap with a cloth and open carefully.
-- Open the coolant reservoir cap.
-- Install the Adapter V.A.G 1274/8 into the coolant reservoir.
-- Clamp the Connecting Piece V.A.G 1274 B/1 on the Adapter V.A.G 1274/8.
-- Connect the Connecting Piece V.A.G 1274 B/1 to the Coolant System Tester V.A.G 1274 B using the hose provided.
-- Generate a positive pressure of approximately 1.0 bar using hand pump of cooling system tester.
CAUTION:
Risk of scalding! Reduce the pressure before disconnecting the Cooling System Tester V.A.G 1274 Bfrom the connecting hose or Connecting Piece V.A.G 1274 B/1. Press the pressure release valve on the Cooling System Tester V.A.G 1274 B until the pressure gauge displays >>0<<.
If the pressure drops:
-- Check for leaks inside the engine compartment and under the vehicle. Remove the noise insulation if necessary. Refer to Description and Operation .