Where is this data from?

Extracted directly from the LEMON factory service manual archive. Sources are cited per generation.

Why do fluid capacities vary by generation for the Honda Ridgeline?

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.

🧪Fluid Capacities

Honda Ridgeline Fluid Capacities

Factory manual fluid capacities for the Honda Ridgeline. 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 Honda Ridgeline: 4.50 OZS. (0.13 L) — RB100EV-01 (POE) Note: Approximate capacity.

Generation	Years	Top spec
2024	2024	4.50 OZS. (0.13 L) — RB100EV-01 (POE) Note: Approximate capacity.
2023	2023	4.50 OZS. (0.13 L) — RB100EV-01 (POE) Note: Approximate capacity.
2020-2022	2020-2022	4.50 OZS. (0.13 L) — RL85HMS (POE) Note: Approximate capacity.

Structured Spec Sheet // Honda Ridgeline Fluid Capacities

Quick Answer:2024 Honda Ridgeline: 4.50 OZS. (0.13 L) — RB100EV-01 (POE) Note: Approximate capacity.

Air Cond Compressor Oil (2024):4.50 OZS. (0.13 L) — RB100EV-01 (POE) Note: Approximate capacity.

Air Cond Refrigerant (2024):1.35 LBS. (0.61 KG) — HFO-1234yf (R-1234yf) Note: Approximate capacity.

Automatic Transmission Fluid (2024):3.70 QTS. (3.5 L) — HONDA Automatic Transmission Fluid ATF - Type 3.1 or higher

Brake Fluid (2024):— HONDA Heavy Duty Brake Fluid DOT 3 Note: Fill to line on reservoir.

Differential Gear Oil (2024):1.92 QTS. (1.81 L) — HONDA DPSF-II

Engine Coolant (2024):1.96 GALS. (7.41 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.

Engine Oil (2024):5.40 QTS. (5.11 L) — Genuine HONDA Motor Oil 0W-20 or API service SN or higher grade SAE 0W-20 Note: You may also use synthetic motor oil if it is labeled with the API Certification Seal and is the specified viscosity grade.

Fuel Tank (2024):19.50 GALS. (73.81 L)

Transfer Case Fluid (2024):0.45 QTS. (0.42 L) — HONDA HGO-1

Windshield Washer Fluid (2024):4.02 QTS. (3.8 L) — All Weather Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio.

Air Cond Compressor Oil (2023):4.50 OZS. (0.13 L) — RB100EV-01 (POE) Note: Approximate capacity.

Air Cond Refrigerant (2023):1.35 LBS. (0.61 KG) — HFO-1234yf (R-1234yf) Note: Approximate capacity.

Automatic Transmission Fluid (2023):3.70 QTS. (3.5 L) — HONDA Automatic Transmission Fluid ATF - Type 3.1 or higher

Brake Fluid (2023):— HONDA Heavy Duty Brake Fluid DOT 3 Note: Fill to line on reservoir.

Differential Gear Oil (2023):1.92 QTS. (1.81 L) — HONDA DPSF-II

Engine Coolant (2023):1.96 GALS. (7.41 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.

Engine Oil (2023):5.40 QTS. (5.11 L) — Genuine HONDA Motor Oil 0W-20 or API premium grade - SAE 0W-20 Detergent Oil Note: You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight.

Fuel Tank (2023):19.50 GALS. (73.81 L)

Transfer Case Fluid (2023):0.45 QTS. (0.42 L) — HONDA HGO-1

Windshield Washer Fluid (2023):4.02 QTS. (3.8 L) — All Weather Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio.

Air Cond Compressor Oil (2020-2022):4.50 OZS. (0.13 L) — RL85HMS (POE) Note: Approximate capacity.

Air Cond Refrigerant (2020-2022):1.35 LBS. (0.61 KG) — HFO-1234yf (R-1234yf) Note: Approximate capacity.

Automatic Transmission Fluid (2020-2022):3.70 QTS. (3.5 L) — HONDA Automatic Transmission Fluid ATF - Type 3.1 or higher

Brake Fluid (2020-2022):— HONDA Heavy Duty Brake Fluid DOT 3 Note: Fill to line on reservoir.

Differential Gear Oil (2020-2022):1.92 QTS. (1.81 L) — HONDA DPSF-II

Engine Coolant (2020-2022):1.96 GALS. (7.41 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.

Engine Oil (2020-2022):5.40 QTS. (5.11 L) — Genuine HONDA Motor Oil 0W-20 or API premium grade - SAE 0W-20 Detergent Oil Note: You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight.

Fuel Tank (2020-2022):19.50 GALS. (73.81 L)

Transfer Case Fluid (2020-2022):0.45 QTS. (0.42 L) — HONDA HGO-1

Windshield Washer Fluid (2020-2022):4.02 QTS. (3.8 L) — All Weather Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio.

Air Cond Compressor Oil (2018-2019):4.50 OZS. (0.13 L) — RL85HMS (POE) Note: Approximate capacity.

Air Cond Refrigerant (2018-2019):1.35 LBS. (0.61 KG) — HFO-1234yf (R-1234yf) Note: Approximate capacity.

Automatic Transmission Fluid (2018-2019):3.30 QTS. (3.12 L) — HONDA Automatic Transmission Fluid ATF DW-1 Note: 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.

Brake Fluid (2018-2019):— HONDA Heavy Duty Brake Fluid DOT 3 Note: Fill to line on reservoir.

Differential Gear Oil (2018-2019):1.92 QTS. (1.81 L) — HONDA DPSF-II

Engine Coolant (2018-2019):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.

Engine Oil (2018-2019):5.40 QTS. (5.11 L) — Genuine HONDA Motor Oil 0W-20 or API premium grade - SAE 0W-20 Detergent Oil Note: You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight.

Fuel Tank (2018-2019):19.50 GALS. (73.81 L)

Transfer Case Fluid (2018-2019):0.45 QTS. (0.42 L) — API GL 4 or GL 5, SAE 90 or SAE 80-90W Hypoid Gear Oil

Windshield Washer Fluid (2018-2019):4.02 QTS. (3.8 L) — All Weather Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio.

Air Cond Refrigerant (2017):1.35 LBS. (0.61 KG) — HFO-1234yf (R-1234yf) Note: Approximate capacity.

Automatic Transmission Fluid (2017):3.30 QTS. (3.12 L) — HONDA Automatic Transmission Fluid ATF DW-1 Note: 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.

Brake Fluid (2017):— HONDA Heavy Duty Brake Fluid DOT 3 Note: Fill to line on reservoir.

Differential Gear Oil (2017):1.92 QTS. (1.81 L) — HONDA DPSF-II

Engine Coolant (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.

Engine Oil (2017):5.40 QTS. (5.11 L) — Genuine HONDA Motor Oil 0W-20 or API premium grade - SAE 0W-20 Detergent Oil Note: You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight.

Fuel Tank (2017):19.50 GALS. (73.81 L)

Transfer Case Fluid (2017):0.45 QTS. (0.42 L) — API GL 4 or GL 5, SAE 90 or SAE 80-90W Hypoid Gear Oil

Windshield Washer Fluid (2017):4.02 QTS. (3.8 L) — All Weather Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio.

This vehicle's factory manual

The spec is above. This opens the 2024 Honda Ridgeline factory book. Use another year if yours is older.

Open the 2024 Honda manual

2023 book 2020 book 2018 book 2017 book

Honda Ridgeline maintenance schedule

Factory Manual ConfirmationFluid Capacities

Know the exact fluid capacities job for your Honda Ridgeline

2024 Honda Ridgeline: 4.50 OZS. (0.13 L) — RB100EV-01 (POE) Note: Approximate capacity.

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.

Open the 2024 factory manual Different engine or trim

Open the factory manual above to confirm the exact engine before ordering parts.

2024

2024Open 2024 manual

Air Cond Compressor Oil4.50 OZS. (0.13 L) — RB100EV-01 (POE) Note: Approximate capacity.

Air Cond Refrigerant1.35 LBS. (0.61 KG) — HFO-1234yf (R-1234yf) Note: Approximate capacity.

Automatic Transmission Fluid3.70 QTS. (3.5 L) — HONDA Automatic Transmission Fluid ATF - Type 3.1 or higher

Brake Fluid— HONDA Heavy Duty Brake Fluid DOT 3 Note: Fill to line on reservoir.

Differential Gear Oil1.92 QTS. (1.81 L) — HONDA DPSF-II

Engine Coolant1.96 GALS. (7.41 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.

Engine Oil5.40 QTS. (5.11 L) — Genuine HONDA Motor Oil 0W-20 or API service SN or higher grade SAE 0W-20 Note: You may also use synthetic motor oil if it is labeled with the API Certification Seal and is the specified viscosity grade.

Fuel Tank19.50 GALS. (73.81 L)

Transfer Case Fluid0.45 QTS. (0.42 L) — HONDA HGO-1

Windshield Washer Fluid4.02 QTS. (3.8 L) — All Weather Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio.

Notes

→Approximate capacity.
→Fill to line on reservoir.
→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.
→You may also use synthetic motor oil if it is labeled with the API Certification Seal and is the specified viscosity grade.
→Follow the Manufacturer's Instructions for the mixture ratio.

Check Fitment on Amazon →Full Repair Guide →

2023

2023Open 2023 manual

Air Cond Compressor Oil4.50 OZS. (0.13 L) — RB100EV-01 (POE) Note: Approximate capacity.

Air Cond Refrigerant1.35 LBS. (0.61 KG) — HFO-1234yf (R-1234yf) Note: Approximate capacity.

Automatic Transmission Fluid3.70 QTS. (3.5 L) — HONDA Automatic Transmission Fluid ATF - Type 3.1 or higher

Brake Fluid— HONDA Heavy Duty Brake Fluid DOT 3 Note: Fill to line on reservoir.

Differential Gear Oil1.92 QTS. (1.81 L) — HONDA DPSF-II

Engine Oil5.40 QTS. (5.11 L) — Genuine HONDA Motor Oil 0W-20 or API premium grade - SAE 0W-20 Detergent Oil Note: You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight.

Fuel Tank19.50 GALS. (73.81 L)

Transfer Case Fluid0.45 QTS. (0.42 L) — HONDA HGO-1

Windshield Washer Fluid4.02 QTS. (3.8 L) — All Weather Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio.

Notes

→Approximate capacity.
→Fill to line on reservoir.
→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.
→You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight.
→Follow the Manufacturer's Instructions for the mixture ratio.

Check Fitment on Amazon →Full Repair Guide →

2020-2022

2020-2022Open 2020 manual

Air Cond Compressor Oil4.50 OZS. (0.13 L) — RL85HMS (POE) Note: Approximate capacity.

Air Cond Refrigerant1.35 LBS. (0.61 KG) — HFO-1234yf (R-1234yf) Note: Approximate capacity.

Automatic Transmission Fluid3.70 QTS. (3.5 L) — HONDA Automatic Transmission Fluid ATF - Type 3.1 or higher

Brake Fluid— HONDA Heavy Duty Brake Fluid DOT 3 Note: Fill to line on reservoir.

Differential Gear Oil1.92 QTS. (1.81 L) — HONDA DPSF-II

Fuel Tank19.50 GALS. (73.81 L)

Transfer Case Fluid0.45 QTS. (0.42 L) — HONDA HGO-1

Windshield Washer Fluid4.02 QTS. (3.8 L) — All Weather Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio.

Notes

→Approximate capacity.
→Fill to line on reservoir.
→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.
→You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight.
→Follow the Manufacturer's Instructions for the mixture ratio.

Check Fitment on Amazon →Full Repair Guide →

2018-2019

2018-2019Open 2018 manual

Air Cond Compressor Oil4.50 OZS. (0.13 L) — RL85HMS (POE) Note: Approximate capacity.

Air Cond Refrigerant1.35 LBS. (0.61 KG) — HFO-1234yf (R-1234yf) Note: Approximate capacity.

Automatic Transmission Fluid3.30 QTS. (3.12 L) — HONDA Automatic Transmission Fluid ATF DW-1 Note: 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.

Brake Fluid— HONDA Heavy Duty Brake Fluid DOT 3 Note: Fill to line on reservoir.

Differential Gear Oil1.92 QTS. (1.81 L) — HONDA DPSF-II

Engine Coolant1.88 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.

Fuel Tank19.50 GALS. (73.81 L)

Transfer Case Fluid0.45 QTS. (0.42 L) — API GL 4 or GL 5, SAE 90 or SAE 80-90W Hypoid Gear Oil

Windshield Washer Fluid4.02 QTS. (3.8 L) — All Weather Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio.

Notes

→Approximate capacity.
→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.
→Fill to line on reservoir.
→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.
→You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight.
→Follow the Manufacturer's Instructions for the mixture ratio.

Check Fitment on Amazon →Full Repair Guide →

2017

2017Open 2017 manual

Air Cond Refrigerant1.35 LBS. (0.61 KG) — HFO-1234yf (R-1234yf) Note: Approximate capacity.

Brake Fluid— HONDA Heavy Duty Brake Fluid DOT 3 Note: Fill to line on reservoir.

Differential Gear Oil1.92 QTS. (1.81 L) — HONDA DPSF-II

Fuel Tank19.50 GALS. (73.81 L)

Transfer Case Fluid0.45 QTS. (0.42 L) — API GL 4 or GL 5, SAE 90 or SAE 80-90W Hypoid Gear Oil

Windshield Washer Fluid4.02 QTS. (3.8 L) — All Weather Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio.

Notes

→Approximate capacity.
→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.
→Fill to line on reservoir.
→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.
→You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight.
→Follow the Manufacturer's Instructions for the mixture ratio.

Check Fitment on Amazon →Full Repair Guide →

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Honda Ridgeline Fluid Service Kit

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The 2 things people always forget

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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Fluids — Manual's Parts List

Everything for a full fluid service weekend.

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1
Engine Oil
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2
Coolant
Match color/chemistry — never mix types
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3
Long-Neck Funnel
Transmission and differential fill holes are recessed
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4
Fluid Extraction Pump
Remove old brake fluid from reservoir without mess
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5
Shop Rags
You will need more than you think
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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 Honda Ridgeline 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 Honda Ridgeline use?: 2024 Honda Ridgeline: 4.50 OZS. (0.13 L) — RB100EV-01 (POE) Note: Approximate capacity.
Why do fluid capacities vary by generation for the Honda Ridgeline?: 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: 2026-10-29

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Honda Ridgeline Fluid Capacities

Quick Answer

This vehicle's factory manual

Know the exact fluid capacities job for your Honda Ridgeline

Exact Vehicle Check

2024

2023

2020-2022

2018-2019

2017

Manual already checked Amazon for you

Honda Ridgeline Fluid Service Kit

Long-Neck Funnel

Fluid Extraction Pump

Fluids — Manual's Parts List

One-Trip Shopping List

Fluid Extraction Pump

Clean Shop Rags

Multi-Purpose Funnel

Nitrile Gloves

Project Essentials

Frequently Asked Questions

Honda Ridgeline Repair Guides

More Honda Ridgeline Guides

Get the Complete Maintenance Schedule for Honda Ridgeline

Author & Review