🧪Fluid Capacities

Toyota bZ4X Fluid Capacities

Factory manual fluid capacities for the Toyota bZ4X. Exact capacities and specs extracted from the LEMON service manual archive.

Last updated: 2026-11-02 • Reading time: 8 min • By AllOEMManuals Editorial Team

Quick Answer

2024 Toyota bZ4X: — SAE J1703 or FMVSS No. 116 DOT 3 SAE J1704 or FMVSS No. 116 DOT 4

GenerationYearsTop spec
20242024— SAE J1703 or FMVSS No. 116 DOT 3 SAE J1704 or FMVSS No. 116 DOT 4
20232023— SAE J1703 or FMVSS No. 116 DOT 3 SAE J1704 or FMVSS No. 116 DOT 4

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Toyota bZ4X: choose your year, then confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.

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Toyota bZ4X maintenance schedule

Factory Manual ConfirmationFluid Capacities

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2024 Toyota bZ4X: — SAE J1703 or FMVSS No. 116 DOT 3 SAE J1704 or FMVSS No. 116 DOT 4

Fluid type and capacity can change by engine, drivetrain, and transmission. Verify the exact branch before filling anything. Once the spec is confirmed, use the supplies and purchase links below to build the full one-trip shopping list before you start the repair.

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2024

2024Open 2024 manual
Brake Fluid— SAE J1703 or FMVSS No. 116 DOT 3 SAE J1704 or FMVSS No. 116 DOT 4
Differential Gear Oil (AWD)3.30 QTS. (3.12 L) — Toyota Genuine e-Transaxle Fluid TE Note: Approximate capacity.
Differential Gear Oil4.10 QTS. (3.88 L) — Toyota Genuine e-Transaxle Fluid TE Note: Approximate capacity.
Engine Coolant (AWD)8.00 QTS. (7.57 L) — TOYOTA Genuine Traction Battery Coolant Note: Similar high-quality ethylene glycolbased, low electric conductivity coolant, non-amine and non-borate coolant with azole additives. DO NOT use plain water alone.
Engine Coolant4.80 QTS. (4.54 L) — TOYOTA Super Long Life Coolant Note: DO NOT use plain water alone.
Engine Coolant (FWD)6.40 QTS. (6.05 L) — TOYOTA Genuine Traction Battery Coolant Note: Similar high-quality ethylene glycolbased, low electric conductivity coolant, non-amine and non-borate coolant with azole additives. DO NOT use plain water alone.
Notes
  • →Approximate capacity.
  • →Similar high-quality ethylene glycolbased, low electric conductivity coolant, non-amine and non-borate coolant with azole additives. DO NOT use plain water alone.
  • →DO NOT use plain water alone.
Shop Exact Match on Amazon →Full Repair Guide →

2023

2023Open 2023 manual
Brake Fluid— SAE J1703 or FMVSS No. 116 DOT 3 SAE J1704 or FMVSS No. 116 DOT 4
Differential Gear Oil (AWD)3.30 QTS. (3.12 L) — Toyota Genuine e-Transaxle Fluid TE Note: Approximate capacity.
Differential Gear Oil4.10 QTS. (3.88 L) — Toyota Genuine e-Transaxle Fluid TE Note: Approximate capacity.
Engine Coolant (AWD)7.80 QTS. (7.38 L) — TOYOTA Genuine Traction Battery Coolant Note: Similar high-quality ethylene glycolbased, low electric conductivity coolant, non-amine and non-borate coolant with azole additives. DO NOT use plain water alone.
Engine Coolant4.20 QTS. (3.97 L) — TOYOTA Super Long Life Coolant Note: DO NOT use plain water alone.
Engine Coolant (FWD)6.20 QTS. (5.86 L) — TOYOTA Genuine Traction Battery Coolant Note: Similar high-quality ethylene glycolbased, low electric conductivity coolant, non-amine and non-borate coolant with azole additives. DO NOT use plain water alone.
Notes
  • →Approximate capacity.
  • →Similar high-quality ethylene glycolbased, low electric conductivity coolant, non-amine and non-borate coolant with azole additives. DO NOT use plain water alone.
  • →DO NOT use plain water alone.
Shop Exact Match on Amazon →Full Repair Guide →

Parts and supplies

These links search for related products. Check your year, engine, specification, and fitment with the seller before ordering.

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Check fitment

Toyota bZ4X Fluid Service Kit

Confirm the specification and fitment for your exact vehicle before ordering.

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Related supplies to consider

Long-Neck Funnel

Transmission and differential fill holes are recessed. A short funnel makes a mess.

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Fluid Extraction Pump

Removing old brake fluid from the reservoir without a pump contaminates the master cylinder.

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We earn a small commission if you buy through these links — at zero extra cost to you. These are search results, not verified vehicle-specific recommendations.

Fluids — Manual's Parts List

Everything for a full fluid service weekend.

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Opens Amazon with Toyota bZ4X prefilled so you can confirm fitment and avoid wrong parts.

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One-Trip Shopping List

Recommended supplies and tools for this job, grouped so you can buy everything before the repair starts.

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Fluid Extraction Pump

Cleanly remove old fluids from reservoirs.

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Clean Shop Rags

Lint-free rags for cleaning dipsticks and spills.

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Multi-Purpose Funnel

Long-neck funnel for hard-to-reach fill points.

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Nitrile Gloves

Keep hands clean during multi-fluid maintenance.

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Project Essentials

Basic tool sets, gloves, and cleaning supplies for your Toyota bZ4X so the job is ready when the parts arrive.

Frequently Asked Questions

Where is this data from?
Extracted directly from the LEMON factory service manual archive. Sources are cited per generation.
What fluid capacities does a Toyota bZ4X use?
2024 Toyota bZ4X: — SAE J1703 or FMVSS No. 116 DOT 3 SAE J1704 or FMVSS No. 116 DOT 4
Why do fluid capacities vary by generation for the Toyota bZ4X?
Different engine options, transmission types, and cooling system designs across model years change total fluid volumes. Always use the capacity listed for your exact year and engine code — do not guess across generations.

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Author & Review

Published by AllOEMManuals, founded by Lyndon Bedford, an automotive technician with 20 years of experience. He owned and operated a mechanic shop in Hurst, Texas from 2014 to 2022 and continues hands-on repair work.

Content may combine manual references, general repair templates, and AI-assisted drafting. Confirm the source, vehicle configuration, and applicability before working. Report corrections through our contact page.

Last updated: 2026-11-02

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