| When working on the fuel supply/injection system, pay careful attention to the following „rules of cleanliness“: |
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| Thoroughly clean all joints and connections and the surrounding areas before dismantling. |
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| Place removed parts on a clean surface and cover them up. Use only lint-free cloths. |
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| If repairs cannot be completed in one session, all parts and components that are left open should be covered or stored with the greatest of care |
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| Only fit clean components: only remove replacement parts from packaging immediately prior to installation. |
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| Do not use parts that have been stored loose (e.g. in tool boxes etc.). |
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| If the system is open: Avoid using compressed air when possible. Do not move the vehicle unless absolutely necessary. |
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| Also, be extremely careful not to spill petrol on the coolant hoses. If necessary, immediately clean the tubes. Damaged hoses must be replaced. |
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