Symptom-based workshop manual for High-Pitched “Whining” and Whistling Noises in Partial Load Operation...
Porsche technical service bulletin No. 72-26 for 2025-2026 Porsche 911.
- Bulletin number
- No. 72-26
- Component
- Power train
- Summary
- Symptom-based workshop manual for High-Pitched “Whining” and Whistling Noises in Partial Load Operation from the Engine Area. Note that this bulletin covers only 911 GTS t-hybrid models.
Owners of these vehicles have filed 2 complaints in the transmission category.
Vehicles covered
- Porsche 911 2025-2026 20252026
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