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Weeping Audi

This bulletin addresses a potential engine oil leak in the upper engine area on 2009 Audi A5/S5 models. Due to the porosity of the cam carrier casting, oil can drain into the thread of the cam bolt and cause an external oil leak.

1. Check the bolting of the camshaft solenoids (N205, N208, N318 and N319) to determine the source of the leak.

2. If oil leaks under the solenoid bolt head is found, remove the bolt.

3. Clean the bolt and the threads in the cylinder head to remove all traces of oil or other contaminants. Apply Loctite 242 to the threads.

4. Reinstall the bolt and torque to 2.5 Nm.

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