Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Honda Odyssey EXFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Compressor Oil | N/A | N/A | ND-OIL14 (POE) | Capacity is between: 4.05 - 4.55 ozs. | S | ||
| Air Cond Refrigerant | N/A | N/A | HFO-1234yf (R-1234yf) | Capacity is between: 1.26 - 1.37 lbs. | S | ||
| Automatic Transmission Fluid | Drain and Refill | 4.60 QTS. | 4.35 L | HONDA Automatic Transmission Fluid ATF - Type 2 | Approximate capacity. | S | |
| Automatic Transmission Fluid | Overhaul | 8.50 QTS. | 8.04 L | HONDA Automatic Transmission Fluid ATF - Type 2 | Approximate capacity. | S | |
| Brake Fluid | N/A | N/A | HONDA Heavy Duty Brake Fluid DOT 3 | Use DOT 4 as a temporary replacement. | S | ||
| Engine Coolant | 1.69 GALS. | 6.39 L | HONDA Long-Life Antifreeze/Coolant Type 2 | This coolant is pre-mixed with 50/50 antifreeze and water. Never add straight antifreeze or plain water. Includes: the coolant in the reserve tank and that remaining in the engine. | S | ||
| Engine Oil | Drain and Refill,w/Filter | 5.70 QTS. | 5.39 L | Genuine HONDA Motor Oil 0W-20 or API premium grade - SAE 0W-20 Detergent Oil | You may also use synthetic motor oil if it is labeled with the API Certification Seal and is the specified viscosity grade. | S | |
| Engine Oil | Drain and Refill,w/o Filter | 5.40 QTS. | 5.11 L | Genuine HONDA Motor Oil 0W-20 or API premium grade - SAE 0W-20 Detergent Oil | You may also use synthetic motor oil if it is labeled with the API Certification Seal and is the specified viscosity grade. | S | |
| Fuel Tank | 19.50 GALS. | 73.81 L | S | ||||
| Windshield Washer Fluid | 2.60 QTS. | 2.46 L | All Weather Windshield Washer Fluid | DO NOT use engine antifreeze or a vinegar/water solution in the windshield washer reservoir. | S | ||
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.