The 2006 Honda Odyssey's automatic transmission typically holds about 9 to 10 quarts of ATF when fully serviced. If you're just doing a drain-and-fill, expect to replace roughly 4 to 5 quarts; a full system flush may require about 9 to 11 quarts.
Understanding the capacity for the 2006 Odyssey
Service capacity varies with the maintenance method. The following figures reflect common maintenance scenarios for the Odyssey's 5-speed automatic transmission.
Before each unordered list, note that the figures below are typical for a 2006 Odyssey and can vary slightly by vehicle condition, filter replacement, and whether a full flush is performed.
- Total system capacity (full fill with a new filter): approximately 9 to 10 quarts.
- Drain-and-fill capacity (pan drop and refill, no flush): roughly 4 to 5 quarts replaced.
- Full flush capacity (machine-assisted replacement of nearly all fluid): about 9 to 11 quarts.
In practice, always verify the fluid level after service using the transmission dipstick and follow the vehicle’s service manual for the exact procedure and specifications.
ATF type and sourcing for a 2006 Odyssey
For the 2006 Odyssey, Honda generally specifies ATF-Z1 for the automatic transmission. If the vehicle has a different production date or you cannot confirm the spec, check the owner's manual or contact a dealer to confirm whether DW-1 is acceptable. Avoid using Dexron/Mercon unless explicitly approved for your VIN and transmission by Honda.
Summary
In summary, plan on roughly 9–10 quarts for a full transmission fluid fill on a 2006 Honda Odyssey, about 4–5 quarts for a typical drain-and-fill, and around 9–11 quarts if you’re performing a complete flush. Always use the recommended ATF specification and consult the owner’s manual or a qualified technician to confirm exact capacity and procedures for your vehicle.