| For work on the fuel supply/injection system, carefully follow the “6 rules” of cleaning: |
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| Carefully clean the connections and the area around them before detaching them. |
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| Place the removed parts on a clean surface and cover them. Do not use cloths that shed fibres! |
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| If the repair work is not carried out immediately, the open components should be covered or carefully stored. |
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| Only install clean components: Remove the replacement parts from their wrapping right before carrying out assembly. Do not install components that have been stored without wrapping (e.g. in the toolbox, etc.). |
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| As the system is open, avoid the use of compressed air when possible. Do not move the vehicle if possible. |
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| Also make sure not to spill diesel fuel on the coolant hose. If necessary, immediately clean the hoses. Replace affected hoses. |
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