Doc 70 - Parts and parameters been replaced and or changed during Parc Fermé
Technical/ScrutineeringNotices/Procedures
Technical Delegate’s Report
During the Parc Fermé period for the 2026 Chinese Grand Prix, the following parts and parameters were replaced or changed with the approval of the FIA Technical Delegate in accordance with Article B3.5.4 of the 2026 Formula One Sporting Regulations:
| Team | Car | Replaced Parts / Changes |
|---|---|---|
| McLaren Mercedes | 81 | Front brake friction material; associated parameter changes |
| 01 | TAG700 ECU | |
| Mercedes | 63 | Front wing / nose assembly; Steering wheel |
| Red Bull Racing RB Ford | 03 | RHS rear brake drum seal and carrier |
| 06 | ES (new); PU-CE (new) | |
| Racing Bulls RB Ford | 30 | Steering wheel |
| Aston Martin Aramco Honda | 18 | Water outlet elbow and associated hose; LHS tyre temperature sensor housing cover |
| Audi | 27 | Heat exchanger and PRV; Gearbox hydraulics control block |
| 05 | Rear wing assembly; Floor assembly; LHS rear toe link; RHS front brake duct deflector; LHS rear brake duct deflector; Rear brake friction material; associated parameter changes |
Note: All replacements were made following written requests from the respective teams and were approved by Jo Bauer, the FIA Formula One Technical Delegate.