Honda Ridgeline RTL-E Transmission Fluid
Factory transmission fluid type for the Honda Ridgeline RTL-E.
Last updated: 2026-10-29 • Reading time: 8 min • By AllOEMManuals Editorial Team
Quick Answer
2020-2023 Honda Ridgeline RTL-E: 3.70 QTS. (3.5 L) — HONDA Automatic Transmission Fluid ATF - Type 3.1 or higher.
| Generation | Years | Top spec |
|---|---|---|
| 2020-2023 | 2020-2023 | 3.70 QTS. (3.5 L) — HONDA Automatic Transmission Fluid ATF - Type 3.1 or higher |
| 2017-2019 | 2017-2019 | 3.30 QTS. (3.12 L) — HONDA Automatic Transmission Fluid ATF DW-1 |
This vehicle's factory manual
The spec is above. This opens the 2020 Honda Ridgeline RTL-E factory book. Use another year if yours is older.
Honda Ridgeline RTL-E maintenance schedule
Know the exact transmission fluid job for your Honda Ridgeline RTL-E
2020-2023 Honda Ridgeline RTL-E: 3.70 QTS. (3.5 L) — HONDA Automatic Transmission Fluid ATF - Type 3.1 or higher.
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.
2020-2023
2017-2019
- →Using a transmission fluid other than HONDA ATF DW-1 may adversely affect the operation and durability of your vehicle's transmission, and damage the transmission. Any damage caused by using a transmission fluid that is not equivalent to Honda ATF DW-1 is not covered by Honda's new vehicle warranty.
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Honda Ridgeline RTL-E Transmission Fluid
Wrong ATF destroys transmissions. Get the exact spec for your Honda Ridgeline RTL-E.
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Transmission Fluid — Manual's Parts List
Wrong fluid destroys transmissions. Get the exact spec.
- 1Transmission FluidShop →
3.70 QTS. (3.5 L) — HONDA Auto — ATF or CVT, exact spec only
- 2Drain Plug WasherShop →
Soft aluminum — reuse it and it will leak
- 3Fluid Transfer PumpShop →
No dipstick on modern transmissions — fill from below
- 4Shop RagsShop →
ATF stains everything
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.
Transmission Fluid
Must match the specific ATF or CVT spec for your car.
Fluid Transfer Pump
Crucial for filling "sealed" transmissions from below.
Transmission Filter
Recommended when performing a full pan service.
Drain Plug Washer
Prevents seepage after a drain-and-fill service.
Shop Towels
Cleanup gear for ATF spills and pan work.
Project Essentials
Basic tool sets, gloves, and cleaning supplies for your Honda Ridgeline RTL-E so the job is ready when the parts arrive.
Frequently Asked Questions
- What transmission fluid does a Honda Ridgeline RTL-E use?
- 2020-2023 Honda Ridgeline RTL-E: 3.70 QTS. (3.5 L) — HONDA Automatic Transmission Fluid ATF - Type 3.1 or higher.
- When should I change the transmission fluid in a Honda Ridgeline RTL-E?
- Factory service manuals typically recommend transmission fluid changes every 30,000–60,000 miles for automatics and 60,000–100,000 miles for manuals under normal use. Severe service intervals are shorter. Check your maintenance schedule for the exact mileage.
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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