| Rules for cleanliness when working on fuel supply system, injection system and turbocharger |
| Even small amounts of dirt can cause malfunctions. For this reason, when working on the turbocharger, fuel injection and supply systems, meticulously respect the following cleaning rules: |
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| Before opening them, carefully clean all the joints and its surroundings with adequate engine or brake cleaning products and let them dry completely. |
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| Immediately plug the joints and conduits that are open with adequate safety caps. |
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| Place removed parts on a clean surface and cover. Use lint-free cloths. |
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| Only install clean components: do not remove replacement parts from packaging until just before installation. Do not use parts that have been previously unpacked and stored away loose (e.g. in toolboxes, etc.). |
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| When the system is open: Do not work with compressed air. Do not move the vehicle unless absolutely necessary. |
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| Protect the unplugged connectors against dirt and humidity. If they are to be reconnected, they have to dry. |
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