Honda Ridgeline RTS Coolant Type
Factory manual coolant type & capacity for the Honda Ridgeline RTS. 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
2017 Honda Ridgeline RTS coolant: 1.88 GALS. (7.11 L) — HONDA Long-Life Antifreeze/Coolant Type 2 Note: This coolant is pre-mixed with 50/50 antifreeze and water. Never add straight antifreeze or plain water. If Honda antifreeze/coolant is not available, you may use another major-brand non-silicate coolant as a temporary replacement. Make sure it is a high-quality coolant recommended for aluminum engines..
| Generation | Years | Top spec |
|---|---|---|
| 2017 | 2017 | 1.88 GALS. (7.11 L) — HONDA Long-Life Antifreeze/Coolant Type 2 Note: This coolant is pre-mixed with 50/50 antifreeze and water. Never add straight antifreeze or plain water. If Honda antifreeze/coolant is not available, you may use another major-brand non-silicate coolant as a temporary replacement. Make sure it is a high-quality coolant recommended for aluminum engines. |
This vehicle's factory manual
The spec is above. This opens the 2017 Honda Ridgeline RTS factory book. Use another year if yours is older.
Honda Ridgeline RTS maintenance schedule
Know the exact coolant type job for your Honda Ridgeline RTS
2017 Honda Ridgeline RTS coolant: 1.88 GALS. (7.11 L) — HONDA Long-Life Antifreeze/Coolant Type 2 Note: This coolant is pre-mixed with 50/50 antifreeze and water. Never add straight antifreeze or plain water. If Honda antifreeze/coolant is not available, you may use another major-brand non-silicate coolant as a temporary replacement. Make sure it is a high-quality coolant recommended for aluminum engines..
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.
2017
- →This coolant is pre-mixed with 50/50 antifreeze and water. Never add straight antifreeze or plain water. If Honda antifreeze/coolant is not available, you may use another major-brand non-silicate coolant as a temporary replacement. Make sure it is a high-quality coolant recommended for aluminum engines.
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.
Honda Ridgeline RTS coolant
Get the exact coolant chemistry your Honda Ridgeline RTS needs. Wrong coolant = sludge and overheating.
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Coolant Service — Manual's Parts List
Flush or top-off — here is exactly what you need.
- 1Engine CoolantShop →
1.88 GALS. (7.11 L) — HONDA Lo — 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 Honda Ridgeline RTS 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 Honda Ridgeline RTS use?
- 2017 Honda Ridgeline RTS coolant: 1.88 GALS. (7.11 L) — HONDA Long-Life Antifreeze/Coolant Type 2 Note: This coolant is pre-mixed with 50/50 antifreeze and water. Never add straight antifreeze or plain water. If Honda antifreeze/coolant is not available, you may use another major-brand non-silicate coolant as a temporary replacement. Make sure it is a high-quality coolant recommended for aluminum engines..
- Can I use universal coolant in a Honda Ridgeline RTS?
- Factory manuals specify exact coolant chemistry for the Honda Ridgeline RTS. 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