2018 Honda Odyssey Transmission Fluid & Service Spec
AI-generated reference. Always verify torque values, fluid capacities, intervals, and procedures against the manufacturer's service manual or OEM repair information before performing work. Repairius is not liable for damage from acting on this content without verification.
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Quick answer
- Transmission Make/Model: Honda 9-speed automatic (ZF 9HP-based)
- OEM Fluid Spec: Honda ATF DW-1 or Honda HCF-2 (verify with your owner's manual as some models use different fluids)
- Drain & Fill Capacity: Approximately 3.4 - 3.7 quarts (3.2 - 3.5 liters)
- Full Overhaul Capacity: Approximately 5.0 - 5.3 quarts (4.7 - 5.0 liters)
- Filter OEM Part Number: Verify with Honda dealer or service manual – often a non-serviceable internal filter or an inline filter that may vary.
- Recommended Service Interval: Every 30,000 miles or 2 years for severe duty, 60,000 miles or 4 years for normal duty.
Fluid Type Explained
The 2018 Honda Odyssey, depending on the trim level, utilizes a 9-speed automatic transmission. This transmission is based on a ZF design and requires specific fluid to ensure proper operation and longevity. Honda specifies the use of either Honda ATF DW-1 or Honda HCF-2. It is crucial to check your vehicle
More specs for the 2018 Honda Odyssey
Oil Capacity & Filter
Capacity, weight, filter PN, drain plug torque, change interval.
Fluid Type Specs
Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.
Coolant Capacity & Type
Total system capacity, OEM coolant spec, flush interval, bleed tips.
Torque Specifications
Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.
Brake Pad & Rotor Specs
Pad PNs, rotor size, min thickness, caliper torque.
Tire Size & Pressure
OEM size, cold psi, bolt pattern, wheel size, TPMS.
Battery Size & Group
Group size, CCA, AGM/flooded, dimensions, reset note.
A/C Refrigerant & Oil
R-134a or R-1234yf, charge oz, PAG oil spec.
Bulb Sizes (Headlight, Tail, Fog)
Headlight, fog, tail, turn, reverse, interior.
Factory Maintenance Schedule
Service intervals by mileage, severe-duty notes, known issues.
Towing Capacity & Payload
Max tow, payload, GVWR/GCWR, hitch class by trim.
Fuse Box Diagram & Amperage
Fuse box locations, layout, amps, and what each fuse controls.
Serpentine Belt Routing & Length
Belt routing, length, rib count, OEM + aftermarket PNs.
Wheel Alignment Specifications
Camber, caster, toe ranges (front & rear), adjustability notes.
Paint Color Codes
All factory colors with paint codes, sticker location, touch-up tips.
Wiper Blade Sizes
Driver/passenger/rear blade size, attachment, OEM + cross-refs.
Spark Plug Type & Gap
Plug PN, gap, torque, interval by engine.
Transmission & Axle Gear Ratios
Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.
Key Fob Programming
DIY programming steps, FCC ID, fob PN, battery, transponder.
Same spec — other model years
Maintenance & repair guides
2018 Honda Odyssey Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
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