Please let us know which S&S location you plan to visit.


Please let us know which S&S location you plan to visit.


When to Change Transmission Fluid: A Comprehensive Guide to Maintaining Your Vehicle’s Performance

Understanding the Importance of Regular Transmission Fluid Maintenance

Commercial vehicles rely mainly on automatic transmission systems to efficiently transfer power from the engine to the wheels. Transmission fluid plays a crucial role in ensuring smooth gear shifts, reducing friction, and cooling the transmission components. Over time, this fluid can become contaminated with debris and lose its lubricating properties, leading to potential damage to the transmission system.

Old or degraded transmission fluid can have a significant impact on the performance of commercial vehicles. It can result in increased wear and tear on transmission components, leading to costly repairs and downtime. Additionally, it can cause overheating, reduced fuel efficiency, and compromised overall vehicle performance.

Regular transmission fluid changes are essential for maintaining the optimal performance and longevity of commercial vehicles. By replacing the old fluid with fresh, clean fluid, vehicle owners can ensure that the transmission system operates smoothly and efficiently, ultimately saving on maintenance costs and avoiding potential breakdowns.

Commercial Transmission Service

Signs That It’s Time to Change Transmission Fluid

As a commercial vehicle owner, it’s important to be aware of the signs that indicate the need for a transmission fluid change. Some common indicators include:

  • Unusual noises or grinding sensations while shifting gears
  • Delayed or rough gear shifts
  • Transmission fluid discoloration or unusual odor
  • Dashboard warning lights related to transmission issues

If any of these signs are observed, it’s crucial to address them promptly to prevent further damage to the transmission system.

Recommended Transmission Fluid Change Intervals for Commercial Vehicles

The frequency of transmission fluid changes for commercial vehicles can vary based on several factors, including the vehicle’s make and model, driving conditions, and the type of transmission fluid used. It’s essential to consult the vehicle’s owner’s manual or the manufacturer’s recommendations to determine the appropriate change intervals.

In general, most manufacturers recommend changing transmission fluid every 30,000 to 60,000 miles for commercial vehicles. However, vehicles used for heavy-duty applications or under severe driving conditions may require more frequent fluid changes.

To ensure the correct transmission fluid change intervals for specific vehicle models, it’s advisable to consult with a qualified mechanic or technician who has experience working with commercial vehicles.

The Process of Changing Transmission Fluid in Commercial Vehicles

Changing transmission fluid in commercial vehicles involves several crucial steps to ensure the proper functioning of the transmission system. These steps typically include draining the old fluid, replacing the transmission filter, and refilling the system with the correct type and amount of fluid.

Using the correct type and amount of transmission fluid is essential to maintain the optimal performance of the transmission system. Additionally, it’s important to watch for potential issues during the fluid change process, such as leaks, damaged seals, or improper fluid levels, to prevent future transmission problems.

By following the recommended process and guidelines for changing transmission fluid, commercial vehicle owners can effectively maintain their vehicles’ performance and avoid costly transmission repairs.

Regular maintenance of transmission fluid is crucial for the smooth operation and longevity of commercial vehicles. By understanding the importance of regular fluid changes, recognizing the signs that indicate the need for a change, and following the recommended change intervals and process, commercial vehicle owners can ensure that their vehicles continue to perform at their best. If you need maintenance on your commercial vehicle make S&S your preferred choice as we specialize in commercial vehicle repairs. Whether you need a oil change, tire retreading, or an inspection S&S is here to help.