Subaru Solterra Coolant Type
Factory manual coolant type & capacity for the Subaru Solterra. Exact capacities and specs extracted from the LEMON service manual archive.
Last updated: 2026-10-29 • Reading time: 8 min • By AllOEMManuals Editorial Team
Quick Answer
2024 Subaru Solterra coolant: 8.00 QTS. (7.57 L) — Genuine Traction Battery Coolant Note: Similar high-quality ethylene glyco-based,low electric conductivity coolant, non-amine and non-borate coolant with azole additives. DO NOT use plain water alone. The fluid capacity is the quantity of reference. If replacement is necessary, contact your SUBARU dealer..
| Generation | Years | Top spec |
|---|---|---|
| 2024 | 2024 | 8.00 QTS. (7.57 L) — Genuine Traction Battery Coolant Note: Similar high-quality ethylene glyco-based,low electric conductivity coolant, non-amine and non-borate coolant with azole additives. DO NOT use plain water alone. The fluid capacity is the quantity of reference. If replacement is necessary, contact your SUBARU dealer. |
| 2023 | 2023 | 7.80 QTS. (7.38 L) — Genuine Traction Battery Coolant Note: Similar high-quality ethylene glyco-based,low electric conductivity coolant, non-amine and non-borate coolant with azole additives. DO NOT use plain water alone. The fluid capacity is the quantity of reference. If replacement is necessary, contact your SUBARU dealer. |
This vehicle's factory manual
The spec is above. This opens the 2024 Subaru Solterra factory book. Use another year if yours is older.
Subaru Solterra maintenance schedule
Know the exact coolant type job for your Subaru Solterra
2024 Subaru Solterra coolant: 8.00 QTS. (7.57 L) — Genuine Traction Battery Coolant Note: Similar high-quality ethylene glyco-based,low electric conductivity coolant, non-amine and non-borate coolant with azole additives. DO NOT use plain water alone. The fluid capacity is the quantity of reference. If replacement is necessary, contact your SUBARU dealer..
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.
Exact Vehicle Check
The button opens the factory book for this vehicle. Use the engine picker only when your trim is not the one this page already matched.
2024
- →Similar high-quality ethylene glycol-based non-silicate, non-amine, and non-borate coolant with long-life hybrid organic acid technology. DO NOT use plain water alone. The fluid capacity is the quantity of reference. If replacement is necessary, contact your SUBARU dealer.
- →Similar high-quality ethylene glyco-based,low electric conductivity coolant, non-amine and non-borate coolant with azole additives. DO NOT use plain water alone. The fluid capacity is the quantity of reference. If replacement is necessary, contact your SUBARU dealer.
2023
- →Similar high-quality ethylene glycol-based non-silicate, non-amine, and non-borate coolant with long-life hybrid organic acid technology. DO NOT use plain water alone. The fluid capacity is the quantity of reference. If replacement is necessary, contact your SUBARU dealer.
- →Similar high-quality ethylene glyco-based,low electric conductivity coolant, non-amine and non-borate coolant with azole additives. DO NOT use plain water alone. The fluid capacity is the quantity of reference. If replacement is necessary, contact your SUBARU dealer.
Manual already checked Amazon for you
You came here for the exact spec. Now here is the exact part — plus the two things people always forget and have to run back to the store for.
Subaru Solterra coolant
Get the exact coolant chemistry your Subaru Solterra needs. Wrong coolant = sludge and overheating.
We earn a small commission if you buy through these links — at zero extra cost to you. We only suggest items that match the factory specs on this page.
Coolant Service — Manual's Parts List
Flush or top-off — here is exactly what you need.
- 1Engine CoolantShop →
8.00 QTS. (7.57 L) — Genuine T — verify concentrate vs pre-mixed
- 2Distilled WaterShop →
If using concentrate — never use tap water
- 3Spill-Free FunnelShop →
Bleeds air from the heater core automatically
- 4Hose Clamp PliersShop →
Spring clamps are a pain without these
- 5Shop RagsShop →
Coolant is slippery — clean spills immediately
Get everything at once
One search shows all of the above on a single page.
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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.
Engine Coolant / Antifreeze
Match the color/spec (e.g. OAT, HOAT) to your car.
Spill-Free Funnel
The best way to bleed air from the cooling system.
Coolant Tester
Check the freeze and boil protection level.
Hose Clamp Pliers
Helps move spring clamps without mangling hoses.
Shop Towels
Cleanup gear for coolant drips and burps.
Project Essentials
Basic tool sets, gloves, and cleaning supplies for your Subaru Solterra 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 coolant type does a Subaru Solterra use?
- 2024 Subaru Solterra coolant: 8.00 QTS. (7.57 L) — Genuine Traction Battery Coolant Note: Similar high-quality ethylene glyco-based,low electric conductivity coolant, non-amine and non-borate coolant with azole additives. DO NOT use plain water alone. The fluid capacity is the quantity of reference. If replacement is necessary, contact your SUBARU dealer..
- Can I use universal coolant in a Subaru Solterra?
- Factory manuals specify exact coolant chemistry for the Subaru Solterra. Using the wrong coolant type can cause corrosion, overheating, or gasket damage. Always match the OEM specification exactly — do not mix incompatible coolant types.
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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: 2026-10-29