Inspecting coolant system with cooling system testing device -V.A.G 1274- for tightness |
Special tools and workshop equipment required |
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| Cooling system testing device, e.g. -V.A.G 1274- |
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| Adapter, e.g. -V.A.G 1274/8- |
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| Adapter, 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. Cover the cap with a cloth and open carefully. |
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| Open the cap of the coolant expansion reservoir. |
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