Finding a puddle or stain underneath your vehicle can be concerning, especially when you’re not sure where it came from. While vehicles use several different fluids, a leak from the transmission is one you shouldn’t ignore.
Transmission fluid plays an important role in keeping your transmission operating properly. Depending on the type of transmission, it may help lubricate internal components, manage heat, provide hydraulic pressure, and support smooth shifting. When transmission fluid begins leaking, the transmission may not have the fluid it needs to perform as designed.
Knowing what a possible transmission fluid leak looks like and what to do next can help you address the problem before it potentially leads to more serious transmission issues.
Transmission fluid can vary in appearance depending on your vehicle, the type of fluid it uses, and the condition of the fluid. Many automatic transmission fluids are red or reddish when new, but they may become darker as they age. Some vehicles use fluids that are different colors.
If you notice a new puddle or stain underneath your vehicle, especially near the center or front portion of the vehicle, it may be worth having it inspected. Because engine oil, coolant, power steering fluid, water from the air conditioning system, and other fluids can also appear underneath a vehicle, color and location alone aren't always enough to identify the source.
Rather than guessing, the technicians at Mr. Transmission can inspect your vehicle and help determine whether the fluid is coming from the transmission or another component.
A transmission is made up of numerous components, seals, connections, and fluid passages. A leak can develop for several reasons, including normal wear, damage, or a component that is no longer sealing properly.
Potential sources of a transmission fluid leak may include:
Because there are several possible sources, finding fluid underneath your vehicle doesn't automatically tell you what repair is needed. A professional inspection can help locate the source of the leak and determine the appropriate next step.
Continuing to drive with a fluid leak can create additional problems if the fluid level becomes too low.
Without the proper amount of fluid, you may begin to notice changes in how your vehicle drives. Depending on the vehicle and the problem, symptoms can include delayed engagement, difficulty shifting, slipping, unusual noises, or other changes in transmission performance.
A small spot underneath your vehicle may not seem urgent, but the size of the puddle doesn't always indicate the severity of the problem. Fluid can also collect on other vehicle components before reaching the ground, making it difficult to judge how much has actually leaked.
If you suspect a transmission fluid leak, having it inspected sooner can help prevent continued fluid loss and additional wear.
If you discover an unfamiliar puddle underneath your vehicle, pay attention to where it appears and whether it continues to return. You can also note any changes in shifting or vehicle performance.
Avoid assuming that adding more transmission fluid will solve the problem. Using the wrong fluid or adding an incorrect amount can cause additional issues, and adding fluid does not address the source of the leak.
The best next step is to have the vehicle professionally inspected.
Transmission problems don't always begin with a major warning sign. Sometimes, a small spot on the driveway is the first indication that something needs attention.
At Mr. Transmission, our transmission specialists can inspect your vehicle, identify the source of a suspected transmission fluid leak, and recommend the appropriate service based on what they find.
If you've noticed fluid underneath your vehicle or changes in the way your transmission is performing, contact your local Mr. Transmission to schedule an inspection. Addressing a transmission fluid leak early can help protect your transmission and keep your vehicle performing properly.
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