WARNING Hot steam/hot coolant can escape - risk of scalding. |
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| The cooling system is under pressure when the engine is hot. |
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| Cover filler cap on coolant expansion tank with a cloth and open carefully to dissipate pressure. |
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| Open filler cap on coolant expansion tank. |
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| Fit cooling system tester -V.A.G 1274 B- with adapter -V.A.G 1274/8- onto coolant expansion tank. |
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| Using hand pump on cooling system tester, build up a pressure of approx. 1.0 bar. |
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| If this pressure is not maintained, locate and rectify leaks. |
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