Transmission fluid plays a crucial role in keeping your vehicle’s transmission system running smoothly. It provides lubrication, cools the transmission, and helps transfer power from the engine to the wheels. When this fluid becomes contaminated, it can lead to serious transmission issues and expensive repairs. Recognizing the signs of contaminated transmission fluid early can help you avoid bigger problems down the road. At HESCO Automotive & Performance Center, we provide expert transmission service in the greater Birmingham, AL area. Here are four signs of contaminated transmission fluid. 

Discolored or Dark Fluid

Healthy transmission fluid is typically bright red or pink in color. If the fluid appears dark brown or black, it’s a strong indication that it’s contaminated. The dark color suggests that the fluid has degraded or is filled with debris, which can no longer properly lubricate and cool your transmission. It's crucial to check your transmission fluid regularly and take action when you notice this color change.

Burnt Smell

Transmission fluid that smells burnt is another sign of contamination. The burnt odor often occurs when the fluid has overheated due to excessive friction or debris build-up. Overheated transmission fluid may no longer perform its function, which could lead to internal damage within the transmission system. 

Shifting Issues

Contaminated transmission fluid can make it difficult for your vehicle to shift gears smoothly. You might notice delayed or rough shifting, which can feel like a jerking or hesitation when your car changes gears. This can happen because contaminated fluid can no longer provide the smooth hydraulic pressure needed for proper gear shifts. 

Unusual Noises

Transmission systems are designed to operate quietly when they’re functioning properly. If you start hearing grinding, whining, or clunking noises while driving, it could indicate that your transmission fluid is contaminated. Contaminants in the fluid can lead to increased friction and wear on transmission components, which can cause these abnormal sounds. Addressing the issue early can prevent further damage to the transmission.

Transmission Service in Birmingham, AL

When you need auto repair in Birmingham and the surrounding area, contact HESCO Automotive & Performance Center at (205) 526-3796. At our local auto shop, we can expertly handle your vehicle’s repair and maintenance needs. Feel free to give us a call to schedule an appointment!