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You don’t need to be a professional like the Key Transmission and Gears team, but having a handle on tips like these 5 signs you need a transmission flush will come in handy for keeping your car running optimally and knowing when something isn’t quite right. Most importantly, you’ll know a bit more about how your vehicle works and when an issue needs help from our experts.
On average, you can expect that you should have a transmission flush performed around every 30,000 miles. For the average vehicle, that should be about 2 years. On occasion, however, things don’t go quite so perfectly and knowing the warning signs can help prevent a bigger issue from developing.
- Transmission begins to grind or make other strange noises
This usually happens because the transmission fluid is low or filled with grime or other sludge. If you notice odd sounds emanating from your transmission, you can check your transmission fluid with the vehicle running. Clean fluid will be bright red whereas dirty fluid will be brown or even black. If the level is good, that’s an indication that it needs a flush.
- Difficulty shifting gears
This applies whether your vehicle is manual or automatic. In an automatic, you may notice sluggish gear change performance, while in a manual it may become tough even to change gears. This is usually due to too much sludge, or grime, built up in the transmission fluid and is blocking proper flow.
- Gears are slipping
Another sign that your transmission fluid is too dirty and is not properly flowing is losing hydraulic power. Again, this can also be caused by too little fluid, but a simple check will tell you whether you have adequate fluid. If your level is right, you probably need a flush.
- Vehicle surging ahead
That inconsistent flow of dirty transmission fluid can also cause your car to surge ahead or fall back for unexplained reasons. If your car starts behaving erratically, the transmission fluid is a likely culprit.
- Sluggish vehicle response
The final sign that you may need a transmission flush is if your car is slow to respond when switching gears. It might even stall a little for a couple of seconds before catching and beginning to move after having switched gears.
Of course, as we mentioned at the beginning of this article, you don’t have to be an expert on cars to be a good driver. However, if you do notice one of these 5 signs you need a transmission flush it would be a great idea to turn it over to the professionals here at Key Transmission and Gears to find the problem and get it taken care of quickly and efficiently. Our 20 years of experience working in the Denver metro area has given us a wealth of knowledge when it comes to common vehicle problems, and we can get your vehicle up and running, back on the road in no time. Call or contact us today for an appointment.
At Key Transmission and Gears, our business is transmissions. But you might be wondering what does a transmission do, anyway? You may not want to become a car engine expert, and that’s okay, but it is a good idea to have a little bit of an idea of how things work in your own vehicle. That way you are more likely to notice when something is not quite right and know when to take it to a professional before a small problem gets out of hand and becomes a massive repair.
The transmission has a vital function in your car’s engine. So, when your transmission stops working, your car stops moving – period. All the parts of the engine cooperate to create a great force, but that force is variable and uncontrolled. If the engine were connected directly to the wheels, the wheels would not turn at a constant speed and your ride would get a little crazy.
Also, the power produced by the engine is too high for the wheels. An engine generally produces a rotational speed of 600-7000 RPM while wheels typically operate somewhere between 0-1800 RPM. That’s a pretty big difference, and obviously, your wheels simply cannot keep up with the engine in that way. Notice that the engine speed doesn’t go down to zero? That means you wouldn’t be able to ever stop fully. Not a good thing.
The transmission is the magical device that brings that speed down and regulates it appropriately. Well, maybe it’s more scientific than magical, but you get the idea. In order to perform this function, the transmission uses a series of gear ratios and components like the differential.
Gears are little wheels of varying sizes with grooves, or teeth, around the edges. The ratio comes into play when these gears are fitted together. Imagine a wheel with 40 teeth around the edge, now imagine a smaller one with only 20 teeth. Now fit these two together and imagine that the smaller one is connected to the drive shaft. It will rotate twice for every one rotation of the big wheel. See what happened there? The speed gets cut in half.
In this case, the ratio would be written as 0.5:1. This depicts how many times the output gear rotates in relation to the input gear.
Now, inside the transmission, there are quite a few different little wheels with different gear ratios. Depending on the speed that the vehicle is traveling, different ratios are required. If you’ve ever driven a manual, you’ll understand this a little better as you have to shift the gears yourself. With an automatic transmission, your vehicle still makes those shifts – you’re just less likely to notice.
That’s about it! The answer to what does a transmission do, anyway, turns out, isn’t that complicated. Although if you were to peek inside your transmission, it looks quite complex. That’s why trusted professionals like our staff at Key Transmission and Gears are so essential for the proper maintenance and repair of your vehicle’s transmission. Give us a call today and we will be happy to answer any questions that you may have and offer our expert advice.
Don’t panic, if you think your car has a transmission problem bring it to Key Transmission and Gears. Catching a possible transmission problem early will always save you money. We’re always on hand to diagnose and address any issues you come across. But being aware of some of these transmission symptoms can help you avoid serious problems and more expensive repairs.
Lack of Response
Cars with automatic transmissions should immediately engage when you shift into park or drive. A hesitation is an indication of something wrong. In manual transmissions, you may notice that the engine’s RPM’s rev up but the vehicle isn’t moving at the rate that the engine sounds like it’s going. Usually, this points to a clutch needing replacement.
Sounds are difficult to diagnose, but if the transmission causes the noises, you will hear something you’ve never noticed before. A telltale indication that the sound is coming from or caused by the transmission is if it happens during shifting.
Leaking or Low Fluid
If your transmission is low on fluid and you don’t do anything about it, there will most certainly be problems. If you notice red liquid pooling under your vehicle when parked, there is probably a leak.
Grinding or Shaking
Gear changes should be smooth. If you notice that the gears in a manual transmission are grinding into place when you shift, or the gears in an automatic one are shaking into place, there is probably something amiss.
A burning smell coming from your engine is never a good sign. In some cases, it can be the transmission fluid burning off. If you let it go too long, the transmission can get seriously damaged.
Won’t Go into Gear
Sometimes it won’t go into gear at all. This could be a lack of fluid, or the computer system is malfunctioning. Check the fluid level, and you can try resetting the computer system to see if that fixes the problem.
Check Engine Light
While the check engine light comes on for many issues, it deserves a spot on our top 10 transmission problems list. Yes, that light can point to transmission troubles, so you should never ignore it.
Noisy in Neutral
If you notice that your transmission is noisy in neutral, it could just be that it is low on fluid. If not, get it to a mechanic soon.
Gears should not ever slip out on their own. If that is happening, have your vehicle checked immediately as this is a severe safety issue.
Sometimes in manual transmissions, the clutch is too loose, and the flywheel doesn’t disengage as it should when the clutch is pressed. You’ll notice this by grinding noises when you try to shift and in some cases, you may not be able to shift at all.
This is just a quick overview of the top 10 transmission problems that you can run into. If you notice any of these, or that something is out of whack with your vehicle, be sure to give us a call here at Key Transmission and Gears. Our experts can check it out and hopefully prevent a small problem from becoming a serious one.