The transmission is the second most important part of the car, after the engine, keeping the car’s wheels rolling. A failed transmission is not just an inconvenience but a potential bank-breaker. However, it won’t just give up overnight. Discover the warning signs your transmission shows before failing.
Noisy Transmission
Strange noises coming from your vehicle shouldn’t be ignored. Keep your ears up for whining, knocking, or grinding noises, as it could be your transmission crying for help. A noisy transmission could indicate underlying issues such as valve body failure, worn planetary gears or transmission pumps, etc. The first thing you can do is check the level of the transmission fluid. Low fluid may result in noise, so make sure you top it up if needed. But if the issue persists, it’s time to head to the workshop.
Transmission Fluid Leaks
Check your driveway for stains, as it could be your vehicle leaking transmission fluid. Various problems can be blamed for leakage, such as a cracked pan, worn seals and gaskets, or a struggling torque convertor. Don’t continue to drive with the fluid dripping, as it can result in severe damage and may cost you a new transmission.
Transmission Codes
The list of transmission codes is long. Incorrect gear ratio codes P0730, timing solenoid P0785, P0786, P0787, and so on. These codes are not signs of a healthy transmission, so even if you were driving just fine, they must be addressed before it’s too late.
Transmission Slipping
If you have owned the vehicle for a while, you probably have gotten used to its acceleration habits and how the engine behaves with your gas pedal. But today, you floored it, the RPM rose, yet the car hasn’t gotten any faster. Bad news: You have a slipping transmission.
Slipping happens when your automatic transmission struggles to engage the correct gear and its speed fails to match the engine’s. Unfortunately, this is not a simple or cheap repair, as worn or broken transmission bands could be the main culprits. To fix it, mechanics must strip out the whole transmission.
Unresponsive Shifts
If your car is delayed or hesitant while shifting gears, this could be one of those early warning signs for transmission trouble. Low or contaminated transmission fluid may interfere with smooth operation and prevent you from shifting. Faulty shift solenoids in automatic transmissions can also be blamed, as they control fluid flow during shifts. It’s wise to seek professional help because continuing to drive can result in expensive repair jobs.
Strange Transmission Fluid
You may see the fluid’s milky appearance or contaminants floating inside, such as metal shavings and black particles. Bad fluid is a sign of severe wear and tear inside, making an urgent drivetrain checkup necessary.
Check Engine Light
Most modern vehicles have large screens to warn about a struggling transmission, but if you have an older one, you’ll see a check engine light instead. Transmission sensors can also trigger this alert, leaving you no choice but to take your ride to a reputable mechanic.
Limp Mode
One of the most prominent signs of a transmission failure is when your vehicle gets stuck in a limp mode. What is limp mode? It is a protective mechanism that prevents the engine and transmission from getting further damage when the computer detects an issue. Usually, engine power is limited, and the RPM is reduced to minimize wear and tear. Problems such as faulty sensors or control valves may activate this mode. Talking to a professional and diagnosing your vehicle is a good idea.
Poor Gas Mileage
The role of a transmission is to deliver power from the engine to the wheels. But if you notice a sudden dip in the gas economy, it could relate to the transmission. Problems such as a failing torque convertor can prevent the engine from efficiently transferring power to the wheels. This will increase the load on the engine, as it will need to consume more fuel to work.
Burning Smell
You are going down the highway. The ride seems jerky, and it smells like something’s toasting down your vehicle. Pull up, as it could be your transmission. Burning odor is the by-product of overheating transmissions caused by low fluid, mostly because of leaks. Otherwise, it could also be expired fluid. So, top off your vehicle with new transmission fluid or seek professional help if the overheating stays.
Shifter Pops Out of Gear
Driving a vehicle with a stick shift is fun, as you have full control. However, the fun ends when the shifter pops out of gear and reverts to neutral. It can be blamed on worn mounts or loose linkages, bad shifter bearings, or a spring in the shift rail.
These issues are relatively cheaper to solve, but if you are one of the unfortunate with internal transmission issues, you may face bank-breaking repairs or, even worse, a whole transmission replacement.
Transmission Grinding
The improper clutch engagement is the common reason. However, it can also signify a retiring transmission. When the synchronizers are worn out, the gear teeth or the bearings that support gears and shafts are broken, and the transmission may grind as you shift.
Vibration or Shaking
If your ride’s transmission is acting up, you may also notice shakes or vibrations during gear shifts. From damaged transmission mounts to internal problems, these vibrations could get heavy on your pocket if ignored. So, it’s wise to head to a workshop immediately and let a professional mechanic diagnose the issues best.
Don’t Wait, Act Now
Transmission repairs aren’t cheap, with an average cost ranging from $1800 to $3400. But if you pay attention to these warning signs and act immediately, you can keep your ride in optimum condition and save a lot of cash.
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Zainab Noor is a motoring journalist. Childhood rides in Nissan Almera fueled her love for cars. After graduating from AIOU in 2021, she steered her passion into freelance writing. You can find Zainab on LinkedIn.
