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December 10, 2012 Service bulletin

Porsche: due to elastomer check valve in additional outlet, on vacuum pump, CAN become damaged, resulting...

Porsche technical service bulletin TI-29-12 for 2011-2012 Porsche Panamera.

Bulletin number
TI-29-12
Component
Engine
Summary
Porsche: due to elastomer check valve in additional outlet, on vacuum pump, can become damaged, resulting in secondary loads, supplied by the vacuum, not being sufficient. Models 2011-2012 panamera, panamera 4.

Owners of these vehicles have filed 27 complaints in the engine category.

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