Technical information on WPA1
Porsche technical service bulletin No. 4-23 for 2022-2023 Porsche 911, 2023 Porsche 718 Cayman and 2022-2023 Porsche 718 Boxster and others.
- Bulletin number
- No. 4-23
- Component
- Equipment
- Summary
- Technical information on WPA1 - reworking brake line threading for the Boxster, Cayman, and 911
Vehicles covered
- Porsche 911 2022-2023 20222023
- Porsche 718 Cayman 2023 2023
- Porsche 718 Boxster 2022-2023 20222023
- Porsche Redundant Cayman 2022 2022
VIN decoder
See the problems and recalls for an exact car
Buying a used Porsche 911?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history