| »Carry out the following work sequence« |
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| Remove the noise insulation from the injector valves. |
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| Injectors (piezo injectors) whose injector seal is to be renewed → Chapter |
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| Move affected return lines slightly aside. |
| Pay attention to cleanliness. No dirt must be allowed to enter the removed fuel return lines or into the open connections on the injector (Piezo injectors). |
Caution | Proceed very carefully to prevent unnecessary dismantling or further damage. |
| Pay attention to cleanliness. No dirt may get into the injector boreholes on the cylinder head cover. |
| First remove leaked oil or fuel with workshop equipment. |
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| Remove affected injector seal → Item. |
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| After removing, check if the spring is still at hand on the old seal. |
| If this is not the case, make sure that spring washer does not remain behind. |
Caution | Proceed very carefully to prevent unnecessary dismantling or further damage. |
| Remember that the cylinder head cover is made of plastic. |
| A plastic cylinder head cover is damaged easily during repairs. |
| Check the cylinder head cover for damage. |
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| –
| Insert new injector seal by hand → Item. |
| Take note: Installation position of the injector seal seat. |
| Perform remaining installation steps in reverse sequence of removal. |
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