For the 2002 Honda Civic EX, automatic transmissions use Honda ATF DW-1, while manual transmissions use Honda Manual Transmission Fluid (MTF) that meets GL-4 specifications. Always verify the exact specification in your owner's manual or with a Honda dealer.
The 2002 Civic EX could be equipped with either a 4-speed automatic or a 5-speed manual transmission. Each configuration requires its own type of transmission fluid. Below is a guide to the recommended fluids for each setup, along with tips on how to confirm which one applies to your car.
Automatic transmission (4-speed)
Before listing the recommended fluid, note that automatic Civics from this era typically specify Honda’s own ATF. Using the correct fluid helps maintain smooth shifting and proper temperature control.
- Fluid type: Honda ATF DW-1 (Honda Automatic Transmission Fluid DW-1).
- Application: Used in 2001–2005 Honda automatics, including the 4-speed automatic in the 2002 Civic EX.
- Notes: Do not substitute with Dexron III, Mercon, or other ATFs unless a manual explicitly allows it. Using DW-1 ensures proper clutch operation and wear characteristics.
Concluding paragraph: Always confirm the exact ATF specification for your vehicle in the owner's manual or with a Honda service advisor, especially if your car has a different regional specification or an unusual production date.
Manual transmission (5-speed)
Before listing the fluid, understand that the manual gearbox requires a different fluid than the automatic. It must meet GL-4 standards to avoid corrosion and shifting issues.
- Fluid type: Honda Manual Transmission Fluid (MTF) that meets GL-4 specifications. This is the standard for many 5-speed Hondas, including the 2002 Civic EX manual transmission.
- Notes: Some technicians use GL-4 75W-90 gear oil as an alternative if it is explicitly labeled GL-4 and compatible with Honda MTF guidelines; avoid GL-5 oils in most Hondas’ manual transmissions.
- Maintenance: Drain and refill according to the owner's manual or service schedule; use the correct MTF to preserve shifting feel and gear life.
Concluding paragraph: If your Civic EX is the manual variant, verify the exact MTF specification in your manual or with a Honda service representative, since fluid requirements can vary by market or production batch.
What to check if you're unsure
To confirm which transmission you have and the correct fluid, consult the owner's manual, check the transmission dipstick or tag (if equipped), or contact a Honda dealer with your vehicle’s VIN for the precise specification.
Summary
In short, the 2002 Honda Civic EX uses Honda ATF DW-1 for automatic transmissions and Honda MTF that meets GL-4 specifications for manual transmissions. Always verify the exact requirement in your owner's manual or with a dealership to ensure the proper fluid and maintenance intervals.


