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| Hand vacuum pump -VAS 6213- |
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| Check all vacuum lines in the complete vacuum system for: |
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| Kinked or crushed lines |
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| Lines porous or leaking |
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| Check vacuum line to solenoid valve and from solenoid valve to corresponding component. |
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| If a fault is stored in the fault memory, check the vacuum lines leading to the corresponding component and also check the remaining vacuum lines in the system. |
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| If it is not possible to build up pressure with hand vacuum pump -VAS 6213- or if the pressure drops again immediately, check hand vacuum pump and connecting hoses for leaks. |
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