The filter is located inside the automatic transmission, behind the transmission pan. It sits near the valve body and is accessed by dropping the pan to replace the filter and reseal the pan with a new gasket.
For owners and technicians, here is a detailed guide to locate and service the filter on this specific model.
Location and accessibility
The 2007 Honda Odyssey uses a 5-speed automatic transmission. The transmission filter is a replaceable screen mounted inside the transmission, and it is serviced only after the transmission pan is removed. There is no exterior spin-on filter; the filter sits near the valve body and is accessed during a pan drop as part of a standard pan service.
What you will need before you start
Before you begin any transmission work, gather the right tools and materials to minimize spills and ensure a proper seal.
- Replacement transmission filter kit appropriate for the 2007 Odyssey (or the Honda-specified part number).
- New transmission pan gasket or sealant compatible with the transmission pan.
- Correct automatic transmission fluid (ATF) for this era (confirm whether ATF-Z1 or DW-1 is specified for your VIN).
- Drain pan, vehicle ramps or jack stands, socket set, torque wrench, and flat-head/Phillips screwdrivers or picks for pan/filter hardware.
- Rags, brake cleaner, gloves, and eye protection for a clean work area.
Replacing the filter requires draining the ATF and removing the transmission pan to access the filter, which sits above the pan near the valve body.
Steps to access and replace (summary)
Below is a high-level sequence used by many technicians when performing a pan service that includes the filter. Always consult a service manual for exact torque specs and VIN-specific steps.
- Secure the vehicle on level ground, raise with ramps or a hoist, and support on stands.
- Drain ATF by removing the pan drain plug (if equipped) or by loosening pan bolts to relieve the fluid.
- Carefully remove the transmission pan and gasket, catching residual fluid in the drain pan.
- Remove the old filter from its mounting near the valve body, taking care not to damage the valve body.
- Install the new filter in the correct orientation, ensuring a proper seal and seating.
- Reinstall the pan with a new gasket, torque bolts to spec, and clean any spills.
- Refill the transmission with the correct ATF to the proper level, run the engine, and cycle through gears while checking for leaks.
After replacement, verify transmission fluid level and condition, and perform a cautious test drive to ensure smooth operation and no leaks.
Important notes and cautions
Always use the recommended ATF and follow Honda's service guidelines. If you are unsure about the procedure or lack the proper tools, consult a professional technician. Incorrect filling, seating, or gasket installation can lead to transmission damage.
Summary
On a 2007 Honda Odyssey, the transmission filter is located inside the automatic transmission pan area and is serviced during a pan drop. Access the filter by draining the ATF, removing the pan, and replacing the filter before reinstalling the pan with a new gasket and refilling the fluid. Accurate fluid specification and careful reassembly are essential for ongoing transmission reliability.


