Parts And Parameters Been Replaced Or Changed During The Parc Fermé
ITALIAN GRAND PRIX 9 - 12 September 2021 · 2021 · 12 September 2021 · Doc 51
From The FIA Formula One Technical Delegate
To The Stewards Document 51 Date 12 September 2021
Time 13:55
2021 ITALIAN GRAND PRIX 9 - 12 September 2021
Technical Delegate's Report
The following parts and parameters have been replaced / changed during the Parc Fermé yesterday and today:
Mercedes:
Car 44: LHS rear pull rod Parameter changes associated with LHS rear pull rod replacement RHS plenum chamber Parameter changes associated with plenum chamber replacement ERS duct gauze Front wing/nose assembly Brake master cylinder Parameter changes associated with brake master cylinder replacement
Car 77: ES (previously used) CE (new) Parameter changes associated with PU elements replacement
Red Bull Racing Honda:
Car 33: RIS panel fairing LHS rear brake duct drum
Car 11: RHS fwd floor claws Front roll damper Floor to chassis barrel nut and bolt
McLaren Mercedes:
Car 03: Strain gauge axle transmitter batteries LHS and RHS front brake duct drums LHS deflector finger LHS shoulder louvre PXL damper
Car 04: Strain gauge axle transmitter batteries RHS rear view mirror lense Water header tank hose Engine pneumatic system QD LHS and RHS twin finger elements on bargeboard
Aston Martin Mercedes:
Car 18: Clutch assembly Parameter changes associated with clutch replacement LHS mirror assembly Headrest assembly
Car 05: Clutch assembly Parameter changes associated with clutch replacement
Alpine Renault:
Car 14: Layshaft speed sensor Parameter changes associated with TPMS sensor Front wing/nose assembly LHS ERS cooler assembly Exhaust tailpipe LHS rear drum lower flick LHS rear drum blanking ring
Car 31: Parameter changes associated with TPMS sensor LHS and RHS front drum shrouds ERS feed dry break coupling
Ferrari:
Car 16: LHS and RHS front upright assembly RHS ignition coils
ICE (previously used) TC (previously used) MGU-H (previously used) MGU-K (previously used) EX (previously used) Oil level sensor Front transponder extension loom Front turning vane ICE (previously used) TC (previously used) MGU-H (previously used) MGU-K (previously used) EX (previously used) Parameter changes associated with PU elements replacement
Car 55: LHS and RHS front upright assembly LHS and RHS front corner assemblies Front wing/nose assembly PAS Steering column Pedal box Brake master cylinders BBW Floor Front mono damper LHS turning vane Front turning vane Front chassis loom Parameter changes associated with BBW replacement Parameter changes associated with brake master cylinders replacement Parameter changes associated with PAS replacement Parameter changes associated with pedal box replacement
AlphaTauri Honda:
Car 22: Plastic snubber on DRS activation arm RHS front brake heat shield RHS rear infrared brake temperature sensor and associated loom RHS rear HIU
Car 10: Plastic snubber on DRS activation arm PAS LHS and RHS track rods
Steering column Steering wheel Brake master cylinder LHS and RHS front and rear brake calipers Front and rear brake friction material Floor Barge board assembly LHS sidepod entry LHS sidepod entry side winglets LHS front corner assembly LHS front rocker assembly Driver seat T-tray assembly Floor Plank assembly Front wing/nose assembly Headrest Seat belts Brake PMC assembly Gearbox assembly ICE (new) TC (new) MGU-H (new) MGU-K (new) ES (new, different specification) CE (new) EX (new) ERS header tank
Alfa Romeo Racing Ferrari:
Car 88: LHS rear brake duct scoop Floor Rear wing mainplane LHS front brake duct drum RHS rear brake caliper temperature sensor CMI loom Popoff position actuator and related sensor Parameter changes associated with popoff position actuator replacement
Car 99: Gearbox oil pressure sensor Parameter changes associated with gearbox oil pressure sensor replacement
Haas Ferrari:
Car 09: Rear suspension hydraulic unit LHS and RHS rear lateral suspension actuators Parameter changes associated with rear suspension component replacement
Car 47: Sidepod inlet duct mesh Headrest Front tyre seal winglet Windscreen
Williams Mercedes:
Car 63: Front brake calipers Parameter changes associated with front brake calipers replacement Gearbox oil filter Front wing flap and hangers
Car 06: Gearbox oil filter RHS front pushrod Parameter changes associated with RHS front pushrod replacement RHS rear brake duct donut Chassis pitot tube ERS centreline cooler Centreline cooling duct
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.