Concerns: Vacuum pump Information: This is to inform you of a voluntary Workshop Campaign on the...
Porsche technical service bulletin 122-A4T8C-06 for 2011-2012 Porsche Panamera.
- Bulletin number
- 122-A4T8C-06
- Component
- Engine
- Summary
- Concerns: Vacuum pump Information: This is to inform you of a voluntary Workshop Campaign on the above-mentioned vehicles. There is a possibility that the elastomer check valve in the additional outlet on the vacuum pump can become damaged over the service life of the vehicle. As a result, the vacuumsupplied to the secondary loadsmay not be sufficient. This can cause malfunctions in the variable intake system. The lack of vacuum can also result in a fault entry during tank leakage diagnosis in the DME and can cause the Check Engine light to come on.
Owners of these vehicles have filed 27 complaints in the engine category.
Vehicles covered
- Porsche Panamera 2011-2012 20112012
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