Cooling System: Testing and Inspection

Cooling system, checking for leaks
Special Tools and Equipment





^ VAG1274 Cooling system tester
^ VAG1274/8 Adapter
^ VAG1274/9 Adapter

Requirement
^ Engine at operating temperature.

Work sequence

WARNING: Cover cap of expansion tank with rag and open carefully, as hot steam i.e. hot coolant may escape when opening.

^ Open cap of coolant expansion tank.





^ Attach VAG1274 Cooling System Tester together with VAG1274/8 adapter to coolant expansion tank.
^ Use tester hand pump to create a pressure of approximately 1.0 bar.
If pressure drops:
^ Detect leak and repair malfunction.