2021 Tesla Model Y Subsystems
Motor Type(s)
Rear motor: AC permanent magnet synchronous motor, liquid-cooled, with variable frequency drive.
Front motor (AWD vehicles): AC induction motor, liquid-cooled, with variable frequency drive.
Transmission
| Type | Single speed fixed gear |
| Gearbox Ratio | 9:1 |
Steering
| Steering | Specifications |
|---|---|
| Type | Rack and pinion with electronic power steering, speed sensitive |
| Number of turns lock to lock | 2.00 |
| Turning Circle (curb to curb) | 39.8 ft (12.1 m) |
Brakes
| Type | 4-wheel anti-lock braking system (ABS) with Electronic Brake Force Distribution, Integrated Advanced Stability Control and Electronic Accelerator pedal actuated regenerative braking system |
| Calipers |
Front: Four piston fixed |
| Rotor Diameter (ventilated) |
Front (non-Performance): 14.0″/355 mm |
| Front Rotor thickness |
New (non-performance): 0.98″/25 mm |
| Rear Rotor thickness |
New (non-performance): 0.79″/20 mm |
| Lateral runout |
0.050 mm |
| Chordal runout |
0.040 mm |
| Disk thickness variation (DTV) |
0.010 mm |
| Front Brake Pad Thickness (excluding back plate) |
New: 0.393″/10 mm |
| Rear Brake Pad Thickness (excluding back plate) |
New: 0.354″/9 mm |
| Performance Front Brake Pad Thickness (excluding back plate) | New: 0.393″/10 mm Service limit: 0.085″/2.15 mm |
| Performance Rear Brake Pad Thickness (excluding back plate) | New: 0.354″/ 9 mm Service limit: 0.071″/1.8 mm |
| Parking brake | Electrically actuated parking brake integrated into rear caliper |
Suspension
| Suspension | Specifications |
|---|---|
| Front | Independent, double wishbone, coil spring/telescopic damper, sway bar |
| Rear | Independent, multi-link, coil spring/telescopic damper |
Battery – Low Voltage
| Battery – Low Voltage | Specifications |
|---|---|
| Rating | 33 amp hour or higher |
| Voltage and Polarity | Low voltage negative (-) ground |
Battery – High Voltage
| Type | Liquid-cooled lithium ion (Li-ion) |
| Nominal Voltage | 360 V DC |
| Temperature Range | Do not expose Model Y to ambient temperatures above 140° F (60° C) or below -22° F (-30° C) for more than 24 hours at a time. |