The 2008 Honda Civic uses two different transmission fluids depending on the transmission type: automatic transmissions require Honda ATF DW-1, while manual transmissions use Honda Manual Transmission Fluid (MTF), typically a 75W-90 GL-4 gear oil or an equivalent MTF. Always verify with the owner's manual or a Honda dealer for your specific VIN and market.
Automatic transmission fluid (2008 Civic with automatic)
Fluid specification and compatibility
The automatic transmission in the 2008 Civic is designed to use Honda ATF DW-1. This is the official specification from Honda for DW-1-equipped automatics and is intended to ensure proper shifting performance and longevity.
There are no substitutes Honda officially endorses for this fluid in the Civic’s automatic transmission; using a DW-1-compatible fluid is important for maintaining warranty coverage and transmission health.
- Honda ATF DW-1 (the standard automatic transmission fluid for this model/year).
- Do not mix DW-1 with other, non-DW-1 fluids, as mixing can affect shifting performance and longevity.
- Use DW-1 when performing a drain and fill or a complete flush, following the service manual’s procedures.
- Check intervals and fluid levels according to the owner’s manual or service schedule; level should be within the designated range on the transmission dipstick if equipped.
Before listing, this paragraph explains what the following bullet points cover: the official fluid type and practical notes for applying it in the automatic transmission.
In practical terms, if your Civic has an automatic transmission from the 2006–2011 range, DW-1 is the recommended fluid. Always confirm with your vehicle’s VIN or the dealer if you’re unsure, especially if you’re in a region with variations in specification.
Manual transmission fluid (2008 Civic with manual)
Fluid specification and compatibility
The manual transmission in the 2008 Civic uses Honda Manual Transmission Fluid (MTF). The common guidance is to use Honda MTF or an equivalent 75W-90 GL-4 gear oil that meets or exceeds Honda’s specifications for manual gearboxes.
Using the correct MTF is important because manual transmissions rely on proper lubrication for smooth gear engagement and long-term durability. Do not use automatic transmission fluid (ATF) in the manual gearbox.
- Honda Manual Transmission Fluid (MTF) or equivalent that meets Honda’s specification (often labeled as HMMF in some markets).
- Typical recommended viscosity is around 75W-90 for many Honda manuals, though some markets may specify a different viscosity; always follow the manual for your region.
- Do not use ATF in the manual transmission, as it can lead to shifting issues and wear.
- When changing or topping off, use the correct MTF to the level specified by the service manual and ensure proper torque on drain/fill plugs when applicable.
Before listing, this paragraph explains what the following bullet points cover: the official fluid type for the manual gearbox and practical notes on selection and use.
In short, if your Civic is the manual-transmission variant, the recommended fluid is Honda MTF (or an equivalent 75W-90 GL-4 gear oil that meets Honda’s spec). Always verify the exact specification for your vehicle’s VIN and market.
Summary
For a 2008 Honda Civic, the transmission fluid depends on the transmission type: automatic transmissions use Honda ATF DW-1, while manual transmissions use Honda Manual Transmission Fluid (MTF), typically a 75W-90 GL-4 gear oil or an equivalent MTF. Always consult the owner’s manual or a Honda dealership to confirm the precise specification for your vehicle, especially if you’re in a different market or dealing with a unique trim.