Mazda 6 i Grand Coolant Type
Factory manual coolant type & capacity for the Mazda 6 i Grand. Exact specs extracted from the LEMON service manual archive.
Last updated: 2026-11-09 • Reading time: 8 min • By AllOEMManuals Editorial Team
Quick Answer
2010 Mazda 6 i Grand coolant: 9.90 QTS. (9.36 L) Note: FL22 type engine coolant concentration is factory adjusted. Use the product as it is without diluting it. Except FL22 type engine coolant: Above 3Deg.F use: 35% Antifreeze solution and 65% demineralized water, above -15Deg.F use: 45% Antifreeze solution and 55% demineralized water, above -40Deg.F use: 55% Antifreeze solution and 45% demineralized water. Use FL22 Engine Coolant only if the "FL22" mark is shown on or near the cooling system cap..
| Generation | Years | Top spec |
|---|---|---|
| 2010 | 2010 | 9.90 QTS. (9.36 L) Note: FL22 type engine coolant concentration is factory adjusted. Use the product as it is without diluting it. Except FL22 type engine coolant: Above 3Deg.F use: 35% Antifreeze solution and 65% demineralized water, above -15Deg.F use: 45% Antifreeze solution and 55% demineralized water, above -40Deg.F use: 55% Antifreeze solution and 45% demineralized water. Use FL22 Engine Coolant only if the "FL22" mark is shown on or near the cooling system cap. |
This vehicle's factory manual
Mazda 6 i Grand: choose your year, then confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.
Mazda 6 i Grand maintenance schedule
Check coolant type information for your Mazda 6 i Grand
2010 Mazda 6 i Grand coolant: 9.90 QTS. (9.36 L) Note: FL22 type engine coolant concentration is factory adjusted. Use the product as it is without diluting it. Except FL22 type engine coolant: Above 3Deg.F use: 35% Antifreeze solution and 65% demineralized water, above -15Deg.F use: 45% Antifreeze solution and 55% demineralized water, above -40Deg.F use: 55% Antifreeze solution and 45% demineralized water. Use FL22 Engine Coolant only if the "FL22" mark is shown on or near the cooling system cap..
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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2010
Representative 2010 source for 2010; confirm the vehicle and task
External Pages
6 i Grand Touring, 2.5 A
External Pages — 2010 Mazda 6 i Grand Touring, 2.5 A Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Mazda >> 2010 >> 6 i Grand Touring, 2.5 A >> Repa...
Open source section →External Pages
6 i Grand Touring, 2.5 H
External Pages — 2010 Mazda 6 i Grand Touring, 2.5 H Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Mazda >> 2010 >> 6 i Grand Touring, 2.5 H >> Repa...
Open source section →2010
Parts and supplies
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Mazda 6 i Grand coolant
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Coolant Service — Manual's Parts List
Flush or top-off — here is exactly what you need.
- 1Engine CoolantShop →
9.90 QTS. (9.36 L) Note: FL22 — 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
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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 Mazda 6 i Grand so the job is ready when the parts arrive.
Frequently Asked Questions
- What coolant does the Mazda 6 i Grand use?
- 2010 Mazda 6 i Grand requires 9.90 QTS. (9.36 L) Note: FL22 type engine coolant concentration is factory adjusted. Use the product as it is without diluting it. Except FL22 type engine coolant: Above 3Deg.F use: 35% Antifreeze solution and 65% demineralized water, above -15Deg.F use: 45% Antifreeze solution and 55% demineralized water, above -40Deg.F use: 55% Antifreeze solution and 45% demineralized water. Use FL22 Engine Coolant only if the "FL22" mark is shown on or near the cooling system cap. per the factory manual.
- Where is this data from?
- Extracted directly from the LEMON factory service manual archive. Sources are cited per generation.
- What coolant type does a Mazda 6 i Grand use?
- 2010 Mazda 6 i Grand coolant: 9.90 QTS. (9.36 L) Note: FL22 type engine coolant concentration is factory adjusted. Use the product as it is without diluting it. Except FL22 type engine coolant: Above 3Deg.F use: 35% Antifreeze solution and 65% demineralized water, above -15Deg.F use: 45% Antifreeze solution and 55% demineralized water, above -40Deg.F use: 55% Antifreeze solution and 45% demineralized water. Use FL22 Engine Coolant only if the "FL22" mark is shown on or near the cooling system cap..
- Can I use universal coolant in a Mazda 6 i Grand?
- Factory manuals specify exact coolant chemistry for the Mazda 6 i Grand. 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: 2026-11-09