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February 19, 2026 Service bulletin

Symptom based workshop manual for the Power Transmission Symptom

Porsche technical service bulletin No. 27-23 for 2017-2026 Porsche 911.

Bulletin number
No. 27-23
Component
Power train
Summary
Symptom based workshop manual for the Power Transmission Symptom - 7th Gear cannot be Engaged: Checking Locking Piece

Owners of these vehicles have filed 8 complaints in the transmission category.

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