Audi Repair Questions? Ask a Mechanic for Answers ASAP
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I'm not sure what they are calling a engine mounting valve, but if its the engine mounts then they fail around 7 years. The abs computer, and the electronic parking brake ecu, fail all the time. Very common failures.
As for why the abs computer, the internal connections were made from gold, which is a good material for electrical connections but it does not handle vibration well and can break causing this problem
Then engine mounts, are oil filled and after 7 years, they leak all there fluid out, and cause excess vibration in the vehicle.