2008 Toyota Sienna Transmission Fluid Type: What You Need To Know

Transmission leaking. Help! Toyota Sienna Forum


Are you the proud owner of a 2008 Toyota Sienna? If so, you may be wondering what type of transmission fluid your vehicle requires. In this article, we’ll discuss everything you need to know about the 2008 Toyota Sienna transmission fluid type.

Why Transmission Fluid is Important

Transmission fluid is a vital component of your vehicle’s transmission system. It helps to lubricate the various components of the transmission, preventing friction and wear. It also helps to regulate the temperature of the transmission, preventing it from overheating.

What Type of Transmission Fluid Does a 2008 Toyota Sienna Use?

The 2008 Toyota Sienna requires Toyota Type IV transmission fluid. This fluid is specifically designed for use in Toyota vehicles and provides excellent protection against wear, corrosion, and oxidation.

How to Check Your Transmission Fluid

To check your transmission fluid, start by parking your vehicle on a level surface and turning off the engine. Locate the transmission dipstick under the hood and remove it. Wipe the dipstick clean with a cloth and reinsert it into the transmission. Remove the dipstick again and check the fluid level. The fluid level should be between the “full” and “add” marks on the dipstick.

When to Change Your Transmission Fluid

Toyota recommends changing your transmission fluid every 60,000 miles or 72 months, whichever comes first. However, if you frequently drive in stop-and-go traffic, tow a trailer, or drive in extreme temperatures, you may need to change your fluid more frequently.

How to Change Your Transmission Fluid

Changing your transmission fluid is a relatively simple process that can be done at home with the right tools. Start by draining the old fluid from the transmission and replacing the filter. Next, refill the transmission with the recommended amount of new fluid. Be sure to use Toyota Type IV transmission fluid.

Tips for Maintaining Your Transmission

In addition to changing your transmission fluid regularly, there are several other things you can do to maintain your transmission. These include avoiding hard acceleration and sudden stops, checking your transmission fluid regularly, and having your transmission inspected by a professional if you notice any issues.


In conclusion, the 2008 Toyota Sienna requires Toyota Type IV transmission fluid. Be sure to check your transmission fluid regularly and change it according to the manufacturer’s recommendations. With proper maintenance, your transmission can provide reliable service for years to come.