Your vehicle’s transmission fluid plays a crucial role in keeping the transmission cool, lubricated, and functioning smoothly on the roads in Granite City, IL. When this fluid becomes contaminated, it can lead to serious issues that may result in costly repairs if left unchecked. Knowing the warning signs of bad or dirty transmission fluid can help you catch problems early and keep your vehicle running properly.
Unusual Color or Odor
One of the first things to look at is the color and smell of your transmission fluid. Fresh transmission fluid is typically a bright red or pink and has a slightly sweet smell. If the fluid appears dark brown or even black, it’s a strong indication that it’s contaminated. Burnt or foul odors also suggest overheating or the presence of debris, which can damage internal components.
Slipping Gears
Contaminated transmission fluid can cause your vehicle to slip out of gear or struggle to stay in gear. Your car engine might be revving more than usual without the vehicle accelerating This happens because dirty fluid can no longer create the hydraulic pressure needed to maintain proper gear engagement. Gear slipping can be dangerous, especially at higher speeds or when trying to accelerate quickly.
Delayed or Rough Shifting
Another common symptom of contaminated fluid is delayed or jerky shifting. Your vehicle may hesitate before shifting gears, or the transition may feel rough instead of smooth. In automatic transmissions, dirty fluid can clog internal passages or damage seals, interfering with the system’s ability to operate as intended in Granite City, IL.
Strange Noises
If you begin hearing grinding, whining, or clunking noises while driving—particularly when shifting gears—it may be a sign of transmission trouble caused by contaminated fluid. These noises are often a result of friction caused by metal parts not being properly lubricated. Clean fluid helps minimize wear and tear, so strange sounds could indicate that it’s no longer doing its job.
Transmission Overheating
Transmission fluid not only lubricates but also cools the internal components of your transmission. When the fluid is old or contaminated, it can’t effectively dissipate heat. This can lead to overheating, which often triggers a warning light on your dashboard. Overheating can severely damage the transmission and lead to total failure if not addressed.
Fluid Leaks
While not always a sign of contamination, a transmission fluid leak can expose the system to dirt, water, and other harmful substances. Leaks may also cause the fluid level to drop too low, increasing the risk of contamination due to overheating and degradation. Regularly checking for puddles or stains under your vehicle can help catch leaks early.
If you are having issues with your vehicle’s transmission and are looking for an auto repair company near Granite City, IL who can take a look at it, call Marshall’s Transmission Service today.
