What kind of transmission fluid does a 2006 Lexus gs300 take?
The fluid is typically Dexron III–compatible automatic transmission fluid. However, the exact specification can vary by the transmission code in your car, so always verify with the owner's manual or a Lexus dealer.
Understanding the GS300 transmission and fluid needs
The 2006 Lexus GS300 uses a conventional automatic transmission found in many mid-2000s Lexus models. Transmission fluid specifications for these vehicles historically center on Dexron III compatibility, though some engines and production dates within the GS300 line could reference Toyota’s own ATF formulations. Because the GS300 spans a few model-year revisions, confirming the exact specification for your particular vehicle is prudent.
What the owner's manual typically indicates
The official manual for many 2006 GS300 models lists Dexron III–compatible ATF as acceptable. In certain Toyota/Lexus transmissions from that era, Toyota Type T-IV ATF was also referenced as an appropriate fluid. Because fluid specifications can differ by transmission code and production batch, it’s essential to check the label on your transmission dipstick or a dealer service bulletin for your exact VIN.
Common ATF options for the 2006 GS300 (depends on the specific transmission code):
- Dexron III–compatible automatic transmission fluid (the most widely cited standard for this era)
- Toyota Type T-IV ATF (used in some Lexus/Toyota transmissions from the period)
These options cover the typical specifications you’ll encounter for the 2006 GS300. If your car’s transmission requires a different specification, using the wrong fluid can affect shifting and longevity. Always confirm with the manual or dealership before purchasing.
Maintenance tips for the transmission fluid
Regular maintenance helps preserve transmission performance and longevity. Follow these guidelines to ensure you’re using the correct fluid and maintaining proper levels.
- Check the fluid level with the engine warm and the transmission in Park, following the procedure in the owner's manual.
- Use the exact specification confirmed for your vehicle (Dexron III–compatible ATF or Toyota Type T-IV as specified).
- Replace or top up per the manufacturer’s recommended interval, typically around 60,000 to 100,000 miles depending on driving conditions and service history.
When in doubt, consult a qualified technician or Lexus dealership to confirm the correct fluid type for your specific vehicle’s transmission code and production date.
What to do if you’re changing the fluid yourself
Performing a transmission fluid change requires careful steps to avoid air pockets and to ensure proper fluid level after refill. Use the exact fluid specification confirmed for your car, and dispose of old fluid according to local environmental regulations.
Summary: Always verify the exact specification for your 2006 GS300 via the owner's manual, the transmission’s dipstick label, or a Lexus dealer. Dexron III–compatible ATF is commonly recommended, with Toyota Type T-IV as another possible specification depending on the transmission code. Regular checks and following manufacturer maintenance intervals will help keep the automatic transmission shifting smoothly.
Summary
In most cases, the 2006 Lexus GS300 uses a Dexron III–compatible automatic transmission fluid. Always confirm the exact specification for your vehicle by checking the owner's manual, the transmission dipstick label, or consulting a Lexus dealer to avoid using the wrong fluid. Proper fluid type and maintenance are key to preserving shifting performance and transmission health.
How much transmission fluid does a 2006 Lexus GS300 take?
The 2006 Lexus GS300 has a transmission fluid capacity of approximately 4.5 to 5.3 quarts (4.2 to 5 liters) for a drain and refill. The specific amount can vary slightly, so it is best to use the dipstick to check the level and add fluid as needed.
This video shows how to check the transmission fluid level on a 97-05 Lexus GS300: 46s1A Auto: Repair Tips & Secrets Only Mechanics KnowYouTube · Apr 16, 2019
- For a drain and refill: Add about 4.5 to 5.3 quarts (4.2 to 5 liters) of the manufacturer-recommended automatic transmission fluid (ATF).
- To avoid overfilling: Start with a smaller amount and add more as needed, checking the dipstick regularly to ensure the correct level.
- Checking the level: The transmission fluid level should be checked on the dipstick when the engine is idling in park and at the correct operating temperature. There are different marks for "cool" and "hot" levels.
- Important note: Always use the correct type of ATF recommended by the manufacturer for optimal performance and to maintain smooth shifting.
What kind of transmission fluid does a GS300 take?
The correct Lexus GS300 transmission fluid type depends on the model year, but common recommendations are Toyota Type T-IV (for earlier models, around 1998-2005) or Toyota ATF WS (for newer models). Always consult your owner's manual for the most accurate and specific information.
This video demonstrates how to change the transmission fluid on a 1998-2005 Lexus GS300: 1mredonKiLausYouTube · Oct 28, 2016
Transmission fluid types by model year
- For 1998-2005 GS300: Use Toyota Type T-IV or an equivalent like Mobil 3309 or Valvoline Import Multi-Vehicle.
- For newer models: The required fluid is typically Toyota ATF WS, often found in "sealed" transmissions. Look for this specification in your owner's manual.
- For multi-vehicle options: Some vehicles can use multi-vehicle fluids, but it is essential to verify that the specific fluid is compatible with your transmission's requirements.
This video shows how to change the transmission fluid on a newer Lexus with a sealed transmission: 58sS&E's GarageYouTube · Sep 12, 2024
How to confirm
- Check your owner's manual: This is the most reliable way to determine the correct fluid type for your specific vehicle.
- Look for compatible fluids: If using a multi-vehicle fluid, confirm it meets the specifications listed in your manual (e.g., JWS 3309, ATF WS, etc.).
This video explains how to add transmission fluid to a sealed Lexus transmission: 19sspeedkar99YouTube · Oct 31, 2016
What transmission fluid does Lexus use?
Lexus recommends specific transmission fluids for its vehicles, primarily using Toyota Genuine ATF WS for most modern transmissions and Toyota Genuine ATF Type T-IV for older models. Always consult your owner's manual or a Lexus dealer to confirm the exact fluid type required for your specific vehicle, as using the wrong fluid can cause damage.
Transmission fluid types by model year
- Toyota Genuine ATF WS: This "World Standard" fluid is used in most newer, sealed Lexus transmissions.
- Toyota Genuine ATF Type T-IV: This fluid is specified for many older Lexus models.
Important considerations
- Check your owner's manual: The most accurate information for your vehicle is in the owner's manual. This will specify the correct fluid type, viscosity, and capacity.
- Avoid mixing fluids: Do not mix different types of transmission fluid, as this can negatively impact performance and potentially damage the transmission.
- Use the correct procedure: If replacing the fluid yourself, ensure you follow the correct procedure for checking and filling the transmission to the proper level.
- Consider a professional: If you are unsure about the process or lack the right equipment, it is best to have the service performed at a Lexus dealership to avoid damage.
What kind of transmission is in the 2006 GS300?
Sales in the US began in March 2006, with the initial lineup including the GS 300 (GRS190), featuring a ULEV certified 3.0-liter 3GR-FSE V6 engine, and the GS 430 featuring the 4.3-liter V8. All GS models at launch featured a new six-speed automatic sequential shift gearbox.
