Discovering a puddle beneath your vehicle can be alarming—but not all leaks mean disaster. While some fluids require immediate attention, others are completely normal. Knowing how to identify automotive leaks can save you stress and help you address potential issues early.

Common Fluid Leaks and What They Mean

Understanding what’s leaking starts with checking the fluid’s color, texture, and smell. Many vehicle fluids are dyed or have specific properties that help distinguish them.

Water (Usually Harmless)
If the fluid looks like water and you recently ran your A/C, it’s likely just condensation dripping from your air conditioning system. This is completely normal and not a cause for concern.

Antifreeze/Coolant
Traditionally green, coolant can now come in orange, pink, or yellow. It has a distinct sweet smell due to ethylene glycol. If you spot this type of leak, have it checked—leaking coolant can lead to overheating.

Gasoline
Gas is easy to identify by its unmistakable odor and pale yellow or orange color. It’s also flammable and evaporates quickly. Any fuel leak should be addressed immediately for safety.

Motor Oil
Fresh motor oil has a golden-brown hue, while older oil is darker. It feels slick between your fingers. If you notice an oil puddle, especially one that’s growing over time, it’s best to have it inspected.

Transmission Fluid
Transmission fluid is typically reddish or magenta, with a sweet scent and slippery feel. Leaks can affect how your vehicle shifts and should be taken seriously.

Brake Fluid
Clear to light yellow and extremely slick, brake fluid leaks are critical. Because brake systems rely on pressure, even small leaks can lead to brake failure.

Power Steering Fluid
Often clear or light amber, power steering fluid is thinner than oil but also very slippery. Leaks may cause stiffness or whining sounds when turning the wheel.

What To Do If You Spot a Leak

If you consistently notice a fluid spot under your vehicle, especially one larger than a few inches in diameter, it’s time to investigate. Here’s what you can do:

  • Use Cardboard to Track the Leak: Place a sheet of cardboard under your engine area when parked. This helps identify where the leak is and whether it’s getting worse.
  • Look for the Source: For a more hands-on approach, carefully lift your vehicle and clean the underside with a degreaser or brake cleaner. Afterward, spray the area with foot powder—the powder will reveal the leak trail as fluid moves through it.
  • Understand Your Vehicle’s Age: Older vehicles with high mileage are more prone to minor leaks due to worn-out gaskets and seals. Regular maintenance helps prevent small issues from becoming big repairs.

Let the Experts Handle It

Not sure what’s leaking or how serious it is? Don’t take a guess—let our trained technicians at West Tire & Auto Center take a look. At West Tire & Auto Center, we will pinpoint the source and recommend the right fix to keep your car running safely and smoothly.