Inspecting coolant system with cooling system testing device -V.A.G 1274 B- for tightness |
Special tools and workshop equipment required |
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| Cooling system testing device, e.g. -V.A.G 1274 B- |
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| Adapter for cooling system testing device, e.g. -V.A.G 1274/8- |
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| Adapter for cooling system testing device, e.g. -V.A.G 1274/9- |
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| Engine is at operating temperature. |
WARNING Hot steam may escape when the compensation bottle is opened. |
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| Wear safety goggles and safety clothing, in order to avoid eye injuries and scalding. |
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| Cover the cap with a cloth and open carefully. |
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| Open compensation bottle. |
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| Screw the adapter for cooling system testing device -V.A.G 1274/8- into the coolant expansion bottle. |
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| Clamp the connecting piece -V.A.G 1274 B/1- in the adapter for cooling system testing device -V.A.G 1274/8-. |
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