What Causes Transmission Slipping?

Is Your Transmission Slipping? This is a common sign of a transmission problem. Automatic transmissions transmit power from the engine to the rear drive wheels by smoothly shifting through a variety of low- and high-level gears to provide a comfortable, non-jarring ride. Automatic transmissions have complex interior workings that must all function precisely so it can deliver smooth shifts and attain the best fuel economy for each gear speed. Although some warning symptoms of a slipping transmission can be easily solved, problems related to transmission failure will result in a complete transmission overhaul or rebuild.

Low Fluid Level

  1. To first thing to check on a slipping transmission is the fluid level. Check the dip stick when the engine has reached normal operating temperature, with the engine running. No fluid appearance on the dip stick end (marker) means the minimum fluid level has been reached or surpassed. This could indicate the transmission has lost too much fluid to keep the valves and pumps of the transmission filled so they operate properly. Filling to the prescribed mark on the dip stick can remedy this problem.

    Contaminated Fluid

  2. Check the dip stick to assess the condition of the transmission fluid. Good quality transmission fluid has a clean, red coloration to it that gives off no particular foul odors. Contaminated fluid can look like mud or have a frothy brown or yellow coloration to it. Old fluid that has not been changed can have similar coloration but feels gritty in the fingertips and gives off a burnt smell. Such fluid that has overheated or has lost its chemical viscosity can no longer lubricate and flow through the transmission properly. Contaminated fluid requires a complete flush–emptying the transmission, torque converter, and transmission coolant lines, and replacing the filter.

    Fluid Leaks

  3. Transmission fluid can leak from the torque converter, the transmission pan gasket, the cooling line connections, the input or output transmission bearing seals, or from the filler tube or sensor location. Transmission fluid can also leak at the bottom radiator or at the line fittings there. If the leak appears small, some additives can seal the leak. Rubber transmission seals can also be softened (rejuvenated) with the use of transmission additives. Find the correct additive product that complies with your transmission’s specifications.

    Mechanical Transmission Failure

  4. If the vehicle refuses to shift into any one gear, slips or fails to go into reverse, the problem might be an internal source. Delayed or erratic shifting can also point to an internal problem, including inoperative vacuum linkage controls, cracked vacuum lines, or faulty bands and clutches. Transmissions that have more than 100,000 miles on them can slip due to the bands and clutches that allow the gears to be engaged. Depending on driver abuse, transmission failure may occur with less mileage. Bands and clutches function somewhat like a gearbox pressure plate and clutch, and wear away similarly. In this case, a complete inspection of the transmission and possible rebuild must be performed to solve the problem.

Do you think you are in need of a transmission rebuild or transmission repair? Call us today at 704-821-3460. We have the most advanced transmission testing equipment in Charlotte and can test your vehicle for trouble codes and problems. All diagnostics are free.


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What is Transmission Fluid?

When it comes to your transmission, it takes several components to keep it running smoothly. However, the most important part is the transmission fluid. It may not seem as though the fluid would be important, what with all the different gears and transfer of energy, but without being lubricated, all that will not work correctly.

It Works as a Coolant!

If you have an automatic, it is understandable with all the work your transmission is doing on its own that it may get overheated. However, thanks to automatic transmission fluid, it keeps everything cool. If for some reason, you smell a sickly-sweet burning smell you need to check your transmission fluid to make sure it isn’t getting low. If it is low, check for leaks, because transmissions don’t use up fluids like other parts of the vehicle.

Main Fluid Functions

It keeps all the gears and metal parts clean
It prevents grinding and metal shavings
Keeps not only transmission cool, but helps with the motor as well.
Helps transfer speed and energy
When to Change Fluid

Transmission fluid is unlike any other fluid in your vehicle. Unless you are having transmission issues, you should never really “need” to change your fluid. However, if anytime you check the transmission fluid and it is burnt or has shavings you should see a repair technician and see what the issue at hand is. If you feel as though your transmission fluid needs be changed just to be safe, consider around every 60,000 miles.

Twin Transmission in Charlotte wants to be your go to a specialist. If you have any questions, concerns, or issues, contact them today. With over 30 years’ experience in transmission repairs and rebuild you can’t go wrong. Not only do they offer free estimates and consultation, but free towing as well. If you find yourself with a transmission on its last legs, they’re there for you!

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Leaking Transmission Fluid and Lack of Response Connected?

Leaking Transmission Fluid and Lack of Response Connected?

When it comes to trying to diagnose your car issues, it can be really hard to do for the untrained eye. If you don’t know a lot about cars, it is often best to go to a specialist. A lot of companies offer free consultations. This way you find out what is wrong and they get the opportunity to get your business. However, a lot of issues can be broken down to fluid and response.

Leaking Fluid

A transmission reuses the same fluid; it doesn’t use it up as your motor does. Therefore, if you start seeing your transmission is constantly low on fluid you most likely have a leak somewhere. It can be easy to spot a leak, just look under your car towards where your motor and transmission meet and see if there is a spot on the ground. Transmission fluid is a reddish color and smells sweet. When you run low on fluid, you can chip gears and over heat.

Lack or No Response

Your transmission is created to work like a machine. Transferring power from the motor and sending it to the axle. Sometimes where a transmission is getting worn out there becomes an issue such as lack of response, which can cause a slight loss of power. You can tell if this is happening if when you go into drive, and the motor revs to high rpm’s before taking off, then there is a response issue. Get to a repairman to see what the issue exactly is.

Often these two-run hand in hand. If you are having fluid issues, it can cause your transmission to lack response or quit altogether. A professional should handle transmission issues at all times. They require several different tools and part, making it outrageous for a normal person to handle. Contact Twin Transmission; they can assist you with all your transmission repairs and rebuild with little cost to you.


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Everything You Need to Know to Change Your Transmission Fluid

Keeping the fluids in your vehicle clean and full is an important aspect to keeping it healthy. Though your transmission shouldn’t ever need to have the fluid changed, there are some circumstance that may require it.

Check Fluid for Irregular Traits
A good transmission should have a reddish tint and be a little sweet smelling. If you find your transmission fluid is burnt smelling, a dark color or has metal shavings in it, it will need to be drained and changed out.

Refer to Manual
Every make and model is different. Therefore, if you find your transmission does need its fluid changed it is important to know what type of fluid your vehicle requires. The manual will also be able to tell you where your drain plug is. All transmission troubleshooting tips can be found in the manual as well.

Take Safety Precautions
Anytime you work on your vehicle you need to take certain precautions. Unless you are a serious mechanic all big repairs should be taken to a repair shop in your area. Though changing your transmission fluid might not seem like a big repair it is. If you feel that you are not equipped to handle the task or don’t have the right equipment such as jack stands and supports you can contact a transmission repair shop to help you.

Repair shops not only take the stress away from you doing it yourself, they also typically come with a warranty as well. You never know what could be wrong with your transmission once you get it all drained. Each symptom such as a burnt smell or metal shavings are caused by their own issues. Contact a transmission service in your area to get the best and easiest results. Twin Transmission can handle all your transmission fluid needs. Visit them today to make sure your transmission is working properly.

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Safety Tips for Fixing Your Transmission Leak

If you have driven your car out of your parking lot and eyed a red fluid dripping spot from where your car was parked all night, you’ve got a problem to fix. Now don’t mistake this fluid for engine oil because it’s black in color. The red spot definitely means that you have a leaking automatic transmission fluid which has a red tint.

If you’re still unsure whether your transmission is leaking, you might want to conduct a visual inspection to identify where the leakage is coming from. Most generally, automatic transmission leak points are found in the valve body seal, input shaft seal, drive shaft seal and transmission pan seal. If you don’t know what these parts are, take your car to a mechanic, and he’ll explain what’s wrong.

The next thing you ought to do is check your transmission fluid. This is to be done twice; once when your car is parked and cool, and once when it’s up and running and is hot. Both of these situations will indicate a different fluid level on the red dipstick. Before you go on a drive, check your transmission fluid; it should lie in the “cold” range. If it’s not, you should reach out to some of the local transmission sealers near your residence because a single drop of transmission fluid along your journey reduces the lifespan of your car.

If you’re encountering a transmission leak, diagnostic trouble codes can also help you take a start. Also, you can also seek referrals from friends or relatives as to where you should take your car for a check-up. However, if you have decided to take your car to an unknown place, make sure they have proper experience and equipment because, without proper expertise, your car might end up with a misdiagnosis which might even aggravate your original problem. Contact Twin Charlotte today for more information.

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Transmission Fluid Flush, Service | Charlotte NC

transmission fluid flush charlotte ncIn today’s crazy life styles, 90% of people often forget about transmission servicing, getting a transmission flush, or even checking for transmission leaks under their vehicle. Servicing the transmission every 20 – 30,000 miles is very important to proper operation and the life of the transmission. Just like the oil in your cars engine, transmission fluid suffers from heat, friction and electrochemical degradation. Once this process starts, your transmission’s vital parts begin to clog with sludge and varnish deposits.

Most of us know that our motor oil needs to be changed every 3000 miles, but what most people do not know is that the transmission has more internal moving parts than our vehicle’s engine. The transmission also has internal rubber parts that are critical to proper transmisison operation. Because of all the different elements inside a transmission, it is very important to check the fluid levels of your transmission fluid and have the transmission fluid flushed / changed routinely.

Avoid Overheating and Shifting Problems
In order to keep your transmission operating properly, you need to keep your transmission serviced! 9 out of 10 transmissions fail today simply due to overheating. Overheating can be avoided by flushing the transmisison fluid and replacing it. This will easily keep the fluid clean and keep the transmission fluid temperature down to avoid overheating. Keeping your transmission fluid clean will cause a 10% heat reduction that can easily double the transmission life.

Changing the fluids regurally also allow the transmission to shift smoothly and correctly. Changing the filter is also part of a transmission service that helps allow your transmission to shift properly.  By changing the filter, your vehicle will be able to properly continue to filter the oil, keeping the transmission fluid clean.

Costly Results of Low Transmission Fluid
When we service a transmission, here at Twin Charlotte, we always check the transmission for leaks. This is also very important to the life of the transmission. Sometimes car owners may not even know their transmission has a leak, but driver beware! Driving a vehicle on low transmission fluid can cause premature clutch failure, transmission failure, and other problems, which can easily cost you more money than you would have spent on having the vehicle properly serviced.

Schedule Routine Transmission Flushing and Service
Twin Charlotte can help keep your transmission serviced with transmission fluid flushes, transmission filter replacements, and help keep your transmission free of leaks. All these components combined will result in a good, long transmission life.

Twin Charlotte uses the latest transmission service procedure that safely removes varnish and sludge deposits and cleans all internal transmission components, including the transmission cooler, valve body and torque converter. This service is also the best way to remove wear metals that are slowly grinding away on your transmissions internal components along with most of the old, contaminated transmission fluid. Your car’s transmission is thoroughly cleaned and protected with fresh transmission fluid and conditioners that revitalize the seals and O- rings in the transmission.

Ready to get your transmission serviced?
Call us at 704-821-3460 to schedule an appointment.

Transmission Fluid Leak | Charlotte NC | Transmission Repair

Many Charlotte car owners have asked us the question “What causes a transmission leak?” and “Why is transmission fluid so important?” To say it simply, transmission fluid is what lubricates components inside your transmission — allowing the transmission to move, which allows your vehicle to move. Without this transmission fluid, or even while driving when the transmission fluid is low, can cause major damage and wear/tear on the transmission parts.

In an automatic transmission, this pressurized fluid acts as a coolant and transfers power from the engine to the transmission and drive wheels. Cars don’t use up this fluid, so if it is low, there’s a leak somewhere.

Transmission leaks are the bane of all car owners. Transmission leaks can seriously damage a car’s transmission if left unaddressed. A transmission fluid leak is a problem that might occur as your vehicle becomes older and wear and tear increases. Fluid leaks can be caused by many different problems, with leaky torque converters and broken seals being the most common ones.

transmission flush charlotte ncHere is a list of the most common problems that can cause a transmission fluid leak:

Worn Transmission Pan Seals
A transmission pan is responsible for storing transmission fluid. It has a rectangular seal that separates the bottom and top parts of a transmission pan. If this seal cracks or frays, transmission fluid will leak out of a transmission pan and cause a transmission leak.

Worn Rear Main Seal
A car’s rear main seal is a very important engine/transmission seal that marks the junction where a car’s transmission and engine link together. A rear main seal that becomes worn, frayed or cracked will allow transmission fluid to leak out, causing a very troublesome and hard-to-repair transmission leak.

Cracked Transmission Fluid Line
Transmission fluid travels throughout a transmission via a long, slender transmission fluid line. This transmission line is normally made up of steel and/or aluminum. Although very solid and structurally sound, a transmission fluid line can become damaged from road debris, impacts or excessive heat, and develop breaks or cracks that cause a transmission leak.

Leaky Torque Converter
Although a much less common form of transmission leak, a leaky torque converter can result in a significant amount of lost transmission fluid. A torque converter is a hydraulic pump that pressurizes and propels transmission fluid throughout an entire transmission. Leaks or cracks within the body of a torque converter can cause a serious transmission leak.

Loose Transmission Pan Bolts
Perhaps the most common type of transmission leak is caused by a loose transmission pan. A transmission pan is held in place by a series of bolts that have to be tightened sufficiently to avoid transmission fluid from leaking out. Loose or damaged transmission pan bolts can result in a loose-fitting transmission pan that results in a transmission leak.
How to Check for a Transmission Fluid Leak in Your Vehicle

•Notice if there is any wet oil on your driveway or where you usually park. It would form a puddle under the front center of your car.

•Pay attention to an overheating car. This could be a result of a leak that hinders the cooling of the transmission.

•Check the level of transmission fluid with the proper dipstick to see if it’s low. If it is, refill it and drive it around for a couple of miles, then check the fluid again to see if it’s dropped.

•Get under your car and look at the transmission seal that holds your transmission together. If the seal is bad, it could cause a leak there.

•Locate the drain plug on your transmission, which just looks like a bolt screwed into the metal, and see if there is transmission fluid leaking there.

•Find every spot on your transmission where another part or component joins it, gets screwed into it, or attaches to it in some way. Leaks sometimes occur in these spots around worn seals or cracked parts.

Do you have red fluid leaking underneath your vehicle? If you think you may have a problem with your transmission fluid, which could be causing transmission damage, please contact us for a free estimate or transmission diagnosis. (All transmission diagnostics are free with repair.) If you are looking for a transmission service, such as a fluid flush, please check out our coupons and discounts on transmission fluid changes in Charlotte NC and transmission renews.

Avoid costly repairs by maintaining your vehicle. Discover when you should change your transmission fluids, car oil and more with our Free Vehicle Maintenance Guide!

Transmission and Vehicle Maintenance Guide