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    4. : What causes the oil pump problem on Audi A4 2.0 tdi?

What causes the oil pump problem on Audi A4 2.0 tdi?
Years 2004-2008

Answer

The problem with the oil pump on the Audi A4 with the 2.0 tdi engine was found on the models produced up to 2005 and is caused by the wear of a gear which consequently does not activate the pump thus causing extensive damage to the turbine. bushings etc. The defect was resolved, on later models, by mounting a gear pump rather than a chain one.
Posted on: 17 February 2023 by ScegliAuto

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