Cooling System, Checking For Coolant Leaks: Notes
WARNING: This page is about a different variant/trim than selected.
Special tools and workshop equipment required
- Cooling System Tester V.A.G 1274 B
- Adapter V.A.G 1274/8
- Adapter V.A.G 1274/9
Procedure
- Engine at operating temperature.
WARNING:
Risk of scalding due to hot steam and hot coolant.
- The coolant system is under pressure when the engine is warm.
- Reduce pressure by covering coolant reservoir cap with a cloth and carefully open.
-- Open the coolant reservoir cap.
-- Position THE V.A.G 1274 B with V.A.G 1274/8 on coolant reservoir.
Fig 1: Attaching VAG1274 Cooling System Tester Together With VAG1274/8 Adapter To Coolant Expansion Tank
-- Generate approximately 1 bar pressure with cooling system tester hand pump.
-- If pressure falls, search for leaks and correct problem.