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| Close pressure gauge -V.A.G 1318- shut-off tap (lever at right angles to direction of flow). |
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| Operate remote control for V.A.G 1348 -V.A.G 1348/3A- at short intervals, until a pressure of approx. 3 bar has built up. |
WARNING Danger of spray when shut-off tap is opened. Wear eye protection and protective clothing to avoid injuries and skin contact. Hold container in front of open connection of pressure tester. |
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| If pressure builds up too high, relieve excess pressure by carefully opening shut-off tap. |
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| Watch pressure drop on pressure gauge. After 10 minutes, pressure must not drop below 2.5 bar. |
If the pressure drops further: |
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| Check line connections for leaks. |
If no fault in lines is detected: |
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| Fuel pump is defective, renew fuel delivery unit → Chapter. |
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