---
title: "2025 Tesla Model Y Transmission Fluid & Coolant"
description: "Which transmission fluid, coolant, and brake fluid the 2025 Tesla Model Y takes, with capacities and the specifications each one has to meet. Transmission: Drive-unit reduction gearboxes are lifetime-fill. Coolant: Tesla-specific sealed battery/powertrain coolant loop, no owner service."
url: "https://whichcarparts.com/cars/tesla/model-y/2025/fluids"
updated: "2026-08-20"
---

# 2025 Tesla Model Y Fluid Types and Capacities

Which transmission fluid, coolant, and brake fluid the 2025 Tesla Model Y takes, with capacities and the specifications each one has to meet. Transmission: Drive-unit reduction gearboxes are lifetime-fill. Coolant: Tesla-specific sealed battery/powertrain coolant loop, no owner service.

## 2025 Tesla Model Y fluid guide (High confidence)

| System | Fluid type & capacity |
| --- | --- |
| Coolant | Tesla-specific sealed battery/powertrain coolant loop, no owner service |
| Transmission | Drive-unit reduction gearboxes are lifetime-fill |
| Brake fluid | DOT 3 brake fluid; test for contamination every 4 years |
| Power steering | None (electric power steering) |

Note: Washer fluid is the only owner-refillable reservoir

## Which Tesla Model Y model years does this cover?

These fluids specifications apply to every Tesla Model Y built from 2025 through 2025, the 2nd generation ('Juniper' refresh), compact electric crossover suv (refreshed body, light-bar front/rear). Nothing in this specification changes between those model years.

- [2025 Model Y](https://whichcarparts.com/cars/tesla/model-y/2025)

## What changed during the 2025 Tesla Model Y

| Years | What changed |
| --- | --- |
| 2025 | US Juniper deliveries began March 2025 with the loaded Launch Series (LR AWD); standard Long Range AWD and RWD followed mid-year. Note: some legacy-body cars were also sold as early 2025 models. Check the front end (full-width light bar = Juniper). Performance (21-in Arachnid 2.0, ~460 hp) and the decontented Standard trim arrived October 2025 as 2026 models. |

## 2025 Tesla Model Y fluids: common questions

### What transmission fluid does a 2025 Tesla Model Y take?

Drive-unit reduction gearboxes are lifetime-fill. Transmission fluid specifications are not interchangeable. Friction modifiers differ between them, and the wrong fluid causes shudder long before it causes failure.

### What coolant does a 2025 Tesla Model Y use?

Tesla-specific sealed battery/powertrain coolant loop, no owner service.

### What brake fluid does a 2025 Tesla Model Y take?

DOT 3 brake fluid; test for contamination every 4 years.

## Sources

- [Tesla Model Y Owner's Manual (2025+), Wheels and Tires](https://www.tesla.com/ownersmanual/modely/en_us/GUID-FDDB10EF-FFA9-46EB-B8CC-03614AE92B6B.html)
- [Tesla DIY, Replacing Cabin Air Filters (Feb-2025 production changes)](https://service.tesla.com/docs/Public/diy/modely/en_us/GUID-1C689042-6645-4617-B270-7F2DA9A5624E.html)
- [Tesla Support, Vehicle Maintenance (official intervals)](https://www.tesla.com/support/car-maintenance)
- [Car and Driver, 2025 Model Y (Juniper) US details, 327-mi EPA range](https://www.caranddriver.com/news/a63541277/2025-tesla-model-y-us-details-price/)
- [T Sportline, Model Y Juniper wheel & tire guide (Crossflow/Helix/Arachnid OE fitments)](https://tsportline.com/blogs/tesla-aftermarket-support/the-tesla-model-y-juniper-wheel-guide)
- [NHTSA recall lookup, 2025 Tesla Model Y (25V-002, 26V-315)](https://www.nhtsa.gov/recalls)
- [Kelley Blue Book, 2025 Model Y ranges](https://www.kbb.com/tesla/model-y/2025/)
- [Wikipedia, Tesla Model Y (Juniper timeline, Performance/Standard 2026 launch)](https://en.wikipedia.org/wiki/Tesla_Model_Y)

## Other Tesla Model Y generations

- [2020-2024 Tesla Model Y fluids](https://whichcarparts.com/cars/tesla/model-y/2020-2024/fluids)

Or [compare all generations](https://whichcarparts.com/cars/tesla/model-y/fluids).

## More for the 2025 Tesla Model Y

- [Oil & filter](https://whichcarparts.com/cars/tesla/model-y/2025/oil)
- [Battery](https://whichcarparts.com/cars/tesla/model-y/2025/battery)
- [Tires & wheels](https://whichcarparts.com/cars/tesla/model-y/2025/tires)
- [Wiper blades](https://whichcarparts.com/cars/tesla/model-y/2025/wipers)
- [Air & cabin filters](https://whichcarparts.com/cars/tesla/model-y/2025/filters)
- [Bulbs](https://whichcarparts.com/cars/tesla/model-y/2025/bulbs)
- [Brakes](https://whichcarparts.com/cars/tesla/model-y/2025/brakes)
- [Service schedule](https://whichcarparts.com/cars/tesla/model-y/2025/service-schedule)
- [Problems & reliability](https://whichcarparts.com/cars/tesla/model-y/2025/common-problems)
- [Key fob battery](https://whichcarparts.com/cars/tesla/model-y/2025/key-fob-battery)
- [Specs](https://whichcarparts.com/cars/tesla/model-y/2025/specs)

Specifications vary with engine option, production date, and market.