Doc 64 - Parts and parameters replaced and or changed during Parc Ferme

Technical/Scrutineering

2026 SPANISH GRAND PRIX

Technical Delegate's Report

Document: 64 Date: 13 September 2026 Time: 13:52

The following parts and parameters have been replaced / changed during the Parc Fermé yesterday and today:

Team & Car Replacements

TeamCarReplaced Parts / Parameters
McLaren MercedesCar 01• RHS exhaust temperature sensor<br>• BBW assembly<br>• BBW accumulator<br>• Parameters associated with the BBW system
MercedesCar 63• LHS rear lower mid suspension leg
Car 12• LHS driver mirror lens
Aston Martin Aramco HondaCar 18• ICE inlet water pipe<br>• Radiator feed and return pipes<br>• Header tank and PRV assembly
AudiCar 27• ICE Cylinder 1 spark plug
Car 05• LHS front roll damper
Alpine MercedesCar 10• Clutch assembly and associated parameters<br>• ICE crankshaft seal<br>• ICE crank damper assembly
Cadillac FerrariCar 11• Parameters associated with the TAG700
Car 77• LHS and RHS front brake drum to caliper seals<br>• Front brake friction material and associated parameters

All above parts have been replaced with the approval of the FIA technical delegate following a written request from the team concerned, this being in accordance with Article B3.5.4 of the FIA 2026 F1 Regulations.

Manuel Leal The FIA Formula 1 Technical Delegate