Lexus LC Transmission Fluid Capacity

The Lexus LC Coupe has unquestionably carved its unique niche within the luxury car market. Since its inception in 2018, the LC Coupe has been turning heads, not just for its groundbreaking design but also its engineering prowess. Underneath its sleek exterior lies a marvel of automotive engineering and a key component of this is its transmission system.

Like the heart of a human, the transmission system pumps life into the vehicle, allowing it to switch gears smoothly, ensuring optimal performance and power delivery. However, the heart of a car, much like a human’s, requires proper care.

The importance of maintaining a car’s transmission system cannot be understated. It’s more than just about ensuring smooth rides; it’s about preserving the car’s health and longevity, ensuring that every drive is as exhilarating as the car was designed to be.

At the core of the transmission system’s smooth operation is the transmission fluid. This seemingly simple fluid serves several critical functions:

  1. Lubrication: Reducing friction between the moving parts in the transmission, ensuring that wear and tear are minimized.
  2. Cooling: Helping dissipate the heat generated by the transmission’s moving parts, preventing overheating and potential damage.
  3. Transmission of Power: Assisting in the hydraulic function of the transmission which enables gear shifts.
  4. Protecting and Cleaning: Preventing the build-up of sludge and other contaminants, ensuring the internals of the transmission remain clean and operate efficiently.

With such crucial roles, it’s clear that the transmission fluid is more than just a ‘fluid’; it’s the lifeblood of the Lexus LC Coupe’s transmission system.

2022 Lexus LC500

Yet, like all things, transmission fluid isn’t invincible. Over time, it can degrade, get contaminated, and lose its efficacy. The use of incorrect fluids, or simply neglecting to check and replace the fluid at recommended intervals, can lead to a host of complications. This can range from rough gear shifts, and reduced fuel efficiency, to severe transmission damage requiring costly repairs.

In essence, the transmission fluid is to a car what water is to us – indispensable and vital for smooth functioning. Ensuring its purity and level aligns with the manufacturer’s recommendations is paramount for the optimal performance and longevity of the Lexus LC.

2018-Now Lexus LC Transmission Fluid Capacity And Transmission Fluid Type

The 1st Gen Lexus LC Coupe boasts cutting-edge transmission technology that’s integral to its high-performance capabilities. To maintain its efficient operation and longevity, it’s essential to use the designated transmission fluid type and adhere to the recommended fluid capacity.

Lexus LC owners manual info
GearboxFluid capacityFluid type
LC500 10-speed AGA0E automaticTotal fill: 9.3 qt. (8.8 L, 7.7 Imp.qt.)Toyota Genuine ATF WS
LC500h automaticTotal fill: 7.2 qt. (6.8 L, 6.0 Imp.qt.)Toyota Genuine ATF WS

Not only does this ensure optimal performance, but it also safeguards the vehicle against potential transmission issues.

Steps to Check and Replace Transmission Fluid in the Lexus LC Coupe

1. Determining the Fluid’s Level and Quality:

  • Safety First: Before beginning, ensure the vehicle is on a flat surface. Use proper safety equipment, including gloves and safety glasses.
  • Warm Up the Vehicle: Start the vehicle and let it run for a few minutes to warm up the transmission fluid, as it will give a more accurate reading.
  • Locate the Transmission Dipstick: For many vehicles, there is a designated transmission fluid dipstick, often labeled. In some modern vehicles, however, there might not be a dipstick, requiring a different method to check the fluid.
  • Clean the Dipstick: Remove the dipstick, wipe it clean with a lint-free cloth, reinsert it fully, and then pull it out again to check the level.
  • Examine the Fluid: The fluid should be between the “full” and “add” lines. It should be a clear reddish-brown color and not have a burnt smell. If the fluid is dark or smells burnt, it might be time for a change. If there are metal particles in the fluid, it could indicate internal transmission wear and a more in-depth inspection might be necessary.

2. Safe Procedures for a Complete Fluid Change:

  • Draining Old Fluid:
    • With the vehicle safely raised and supported on jack stands, locate the transmission drain plug. Place a drain pan beneath it.
    • Using the appropriate wrench, remove the plug and let the old fluid drain out. Be careful, as the fluid may be hot.
  • Replacing the Filter (if applicable):
    • Some vehicles have a transmission filter that should be changed with the fluid. Access the transmission pan, remove it, and replace the filter according to the manufacturer’s recommendations.
  • Refilling with New Fluid:
    • Once drained, replace the drain plug and tighten securely. Through the transmission fill port (or where the dipstick was located), use a funnel to add the new transmission fluid. Be cautious not to overfill.
    • Start the vehicle and let it run for a few minutes, cycling through the gears if it’s an automatic. This allows the fluid to circulate.
    • Recheck the level with the dipstick or according to the vehicle’s specific method and adjust as necessary.
  • Dispose of Old Fluid: Remember to properly dispose of the old transmission fluid at a local recycling center or auto parts store.

Note: It’s always advisable to refer to the owner’s manual or service guide for the specific model and year of the vehicle. If unsure about the process, consulting a professional mechanic or Lexus service center is recommended.

Frequently Asked Questions about Lexus LC Transmission Fluid

  1. How often should I change the transmission fluid in my Lexus LC?
    • While the general recommendation for many vehicles is every 30,000 to 60,000 miles, always refer to the Lexus LC’s owner’s manual for specific intervals. Factors like driving conditions and habits can also influence how often it should be changed.
  2. Can I use any type of transmission fluid for my Lexus LC?
    • No. It’s crucial to use the transmission fluid type specified for the Lexus LC to ensure optimal performance and longevity. Check the owner’s manual or consult with a Lexus dealer to determine the correct fluid type.
  3. Why is it so important to maintain the correct transmission fluid level?
    • Proper fluid levels ensure the transmission operates smoothly and prevent wear and tear. Low or excessive fluid can cause slipping, overheating, and other severe transmission issues.
  4. What signs might indicate that my transmission fluid needs changing?
    • Dark or burnt-smelling fluid, delayed or rough gear shifts, grinding noises, and slipping gears can all indicate it’s time for a fluid change.
  5. Is it risky to mix different brands of transmission fluid?
    • It’s advisable to stick to one brand and type of transmission fluid. Mixing different brands can lead to chemical reactions that reduce the effectiveness of the fluid.
  6. Can I change the transmission fluid myself?
    • While it’s possible for individuals familiar with car maintenance, it’s recommended to have it done by professionals or those with experience, especially given the luxury nature of the Lexus LC.
  7. What happens if I neglect my transmission fluid for too long?
    • Prolonged use of degraded or incorrect transmission fluid can lead to premature wear, overheating, and eventual transmission failure, leading to costly repairs.

Remember, while these answers provide a general overview, always consult the owner’s manual or a professional for specific information regarding the Lexus LC.

References and Resources

  1. Official Lexus Service Manuals: These manuals provide detailed insights and guidelines for all Lexus vehicles, including the LC Coupe. They are the go-to resource for understanding your car’s specific needs.
  2. ClubLexus Forum: A community-driven forum where Lexus enthusiasts discuss various topics, share experiences, and provide solutions related to their vehicles. It’s an excellent resource for real-world advice and experiences. Visit ClubLexus
  3. Lexus LC Coupe Owner’s Manual: A comprehensive guide that comes with your car. It contains essential information about every aspect of your LC Coupe, including transmission fluid specifications and change intervals.


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