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| Audi A4 from vehicle identification no. 8K-9-066500 onwards, Audi A5 from vehicle identification no. 8T-9-008000 onwards: aluminium bolts -2 ... 11- must not be used more often than twice. After the first use, the bolts must therefore be identified with an „X“ made by two chisel marks -arrow-. |
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| To avoid damaging the bolts when making this mark, do not clamp them directly in a vice. Clamp a 14 mm socket with 1/2" drive in a vice and insert the bolt as shown. |
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| Bolts already marked with an „X“ must not be used again. |
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| Renew the bolts tightened with specified tightening angle. |
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| Renew self-locking nuts and bolts as well as seals, gaskets and O-rings. |
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| On vehicles with automatic gearbox 0B6, no needle bearing should be fitted in the drive plate. Before installing, check whether a needle bearing is fitted. Press needle bearing out of drive plate → Chapter. |
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| Hose connections and air pipes and hoses must be free of oil and grease before assembly. |
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| To ensure that the air hoses can be properly secured at their connections, spray rust remover onto the worm thread of used hose clips before installing. |
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| Fit all cable ties in the original positions when installing. |
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| Install engine supports and engine mountings → Chapter. |
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| Install coolant pipe (bottom right) → Chapter. |
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| Hold ATF lines in installation position when joining engine and subframe. |
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| Before installing gearbox, remove residue from threaded holes for engine/gearbox bolts in cylinder block using a thread tap. |
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