The 2004 Acura TSX uses different fluids depending on whether it has an automatic or manual transmission. Automatic transmissions typically require Honda/Acura ATF DW-1, while manual transmissions require Honda Manual Transmission Fluid (MTF), usually 75W-90 GL-4. Always verify with your owner's manual for your exact configuration.
Automatic transmission fluid
For the TSX equipped with the automatic transmission, the recommended fluid is Honda/Acura ATF DW-1. This fluid is formulated to meet the torque, shifting, and temperature requirements of the TSX automatic transmission and is the standard specification used by Acura/Honda for this era.
- Honda/Acura ATF DW-1
Using the correct spec helps ensure smooth shifts and proper transmission operation. If you cannot source DW-1, consult a dealer or trusted mechanic about the best OEM-recommended alternative for your exact vehicle.
Manual transmission fluid
For the manual transmission, the TSX requires a gear oil that meets Honda MTF specifications, typically 75W-90 viscosity with GL-4 compatibility. This fluid is designed to withstand the wear characteristics of the TSX’s manual gearbox.
- Honda Manual Transmission Fluid (MTF), typically 75W-90 GL-4
Always confirm the exact grade and capacity in the owner's manual, as market or production variations can occur.
Summary
In brief, the 2004 Acura TSX uses DW-1 ATF for automatic transmissions and MTF (75W-90 GL-4) for manual transmissions. Verify your specific model’s requirements in the owner's manual or with a dealer to ensure compatibility.