Parts And Parameters Been Replaced Or Changed During The Parc Fermé
BRAZILIAN GRAND PRIX 11 - 14 November 2021 · 2021 · 14 November 2021 · Doc 43
From The FIA Formula One Technical Delegate
To The Stewards Document 43 Date 14 November 2021
Time 12:55
2021 BRAZILIAN GRAND PRIX 11 - 14 November 2021
Technical Delegate's Report
The following parts and parameters have been replaced / changed during the Parc Fermé yesterday and today:
Mercedes:
Car 44: Rear wing assembly RHS front brake duct drum
Car 77: LHS brake duct cross over duct
Red Bull Racing Honda:
Car 33: Brake master cylinders Rear wing upper flap Rear wing flap snubber LHS front trackrod antirotation device ICE aux oil return pipe Parameter changes associated with the replacement of the brake master cylinders
Car 11: Brake master cylinders Parameter changes associated with the replacement of the brake master cylinders
McLaren Mercedes:
Car 03: Strain gauge axle transmitter batteries LHS driver mirror glass Fwd floor bib stay
Car 04: Strain gauge axle transmitter batteries Layshaft speed sensor #2 LHS rear outboard brake disc deflector LHS rear inboard brake disc deflector Back-up ring on water wiggo connection on RHS cooler Suspension closing panel LHS rear outboard wheel speed sensor
Aston Martin Mercedes:
Car 18: Clutch assembly Engine hydraulic pack assembly RHS floor laser window Parameter changes associated with the replacement of the clutch assembly Parameter changes associated with the replacement of the engine hydraulic pack
Car 05: Clutch assembly Parameter changes associated with the replacement of the clutch assembly
Alpine Renault:
Car 14: TPMS POS file
Car 31: MGU-K oil cooling pressure sensor TPMS POS file Parameter changes associated with the replacement of the MGU-K cooling pressure sensor
Ferrari:
Car 55: RHS front brake duct drum RHS front brake duct bypass
AlphaTauri Honda:
Car 22: Brake master cylinders LHS and RHS front brake duct drum Parameter changes associated with the replacement of the brake master cylinders
Car 10: Brake master cylinders LHS and RHS front brake duct drum Parameter changes associated with the replacement of the brake master cylinders
Alfa Romeo Racing Ferrari:
Car 07: Exhaust tailpipe bolt Floor Rear wing assembly (different specification)
Haas Ferrari:
Car 09: Front wing flap adjuster cap LHS fwd lateral floor winglet
Car 47: ES oil pump Hydraulic suspension canister block Roll hoop ERS status light
Williams Mercedes:
Car 63: LHS rear caliper tomb Gearbox oil filter
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 34.2 of the 2021 Formula One Sporting Regulations.