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| Finding metal shavings or a large quantity of small metal particles during engine repair could indicate that the crankshaft bearings or conrod bearings are damaged. To prevent this from causing further damage, perform the following repairs: |
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| Thoroughly clean oil channels. |
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| Renew engine oil cooler. |
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| The oil level must not be above the max. mark - danger of damage to catalytic converter! |
| Assembly overview - sump, oil pump → Chapter. |
| Removing and installing coarse oil separator → Chapter. |
| Removing and installing lower part of sump → Chapter. |
| Removing and installing sump upper part → Chapter. |
| Removing and installing oil pressure control valve -N428- (engine codes CCZA, CCZB, CCZC, CCZD, CDAA, CDAB) → Chapter. |
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