seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

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Testing pressure relief valve in filler cap > < Fitting .

Leon Mk2

Cooling system: checking for leaks
Cooling system: checking for leaks
Consult the equivalence table for tools and equipment according to applicability between Seat / VW / Audi / Skoda → Chapter
   
Special tools and workshop equipment required
t  Coolant tester -V.A.G 1274-, see equivalent → Anchor
t  Cooling system tester adaptor -V.A.G 1274/8-
t  Cooling system tester adaptor -V.A.G 1274/9-

Test requirements
l  Engine at operating temperature
Checking sequence
  WARNING
Steam may be released when opening the expansion tank. Wear safety goggles and appropriate clothing to avoid injury to eyes and burns. Cover the cap with a cloth and open carefully.
–  Open the cap of the coolant expansion tank.
   
–  Attach the cooling system tester -V.A.G 1274- with the adaptor -V.A.G 1274/8- onto the expansion tank.
–  Use hand pump on tester to create a pressure of approx. 1.0 bar.
If the pressure drops:
–  Locate the leak and repair the fault.
  A19-0036

Testing pressure relief valve in filler cap > < Fitting .